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A really simple question which asks the student to multiply two matrices.

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  • England schools
  • England university
  • Scotland schools

Taxonomy: mathcentre

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                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          History

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Comment

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Checkpoint description

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Describe what's changed since the last checkpoint.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Picture of Christian Lawson-Perfect

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Christian Lawson-Perfect 9 years, 11 months ago

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Gave some feedback: Ready to use

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Christian Lawson-Perfect 10 years, 1 month ago

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Created this.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Name Status Author Last Modified
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Multiply two matrices Ready to use Christian Lawson-Perfect 01/06/2016 11:06
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Lois's copy of Multiply two matrices draft Lois Rollings 26/08/2016 11:46
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Simon's copy of Lois's copy of Multiply two matrices draft Simon Vaughan 25/01/2017 14:35
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Francis 's copy of Simon's copy of Lois's copy of Multiply two matrices draft Francis Duah 22/11/2016 23:11
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Francis 's copy of Francis 's copy of Simon's copy of Lois's copy of Multiply two matrices draft Francis Duah 22/11/2016 23:13
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          EG3101 EG5116 EG4103 Matrices: Multiplying two 2x2 matrices draft bryan pearce 12/01/2017 14:38
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          EG3101 EG5116 EG4103 Matrices: Multiplying two 3x3 matrices draft bryan pearce 12/01/2017 15:11
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          EG3101 EG5116 EG4103 Matrices: adding and subtracting two 3x3 matrices draft bryan pearce 18/10/2017 17:58
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          EG3101 EG5116 EG4103 Matrices: determinant and inverse of a 2x2 matrix draft bryan pearce 12/01/2017 16:53
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          EG3101 EG5116 EG4103 Matrices: cofactors determinant and inverse of a 3x3 matrix draft bryan pearce 17/01/2017 12:38
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          EG5116 EG4103 Matrices: Cramers Rule applied to 3 simultaneous equations draft bryan pearce 20/01/2017 17:56
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Denis's copy of EG5116 EG4103 Matrices: Cramers Rule applied to 3 simultaneous equations draft Denis Flynn 23/03/2020 16:46
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Alex's copy of Simon's copy of Lois's copy of Multiply two matrices draft Alex Van den Hof 26/01/2017 14:17
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Owen's copy of Multiply two matrices draft Owen Jepps 31/03/2020 08:21
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Andrew's copy of Matrices: Cramers Rule 3x3 draft Andrew Dunbar 30/06/2017 20:34
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Andrew's copy of Matrices: Cramers Rule 3x3 draft Andrew Dunbar 30/06/2017 22:04
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Ex Sheet 6 Cofactors, Determinant and inverse of a 3x3 matrix draft Violeta CIT 21/09/2017 19:19
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Ex 6 Cofactors, Determinant and Inverse of a 3x3 matrix Ready to use Violeta CIT 04/10/2017 16:45
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Question 5 MATH6005 Assessment 1 Cofactors, Determinant and Inverse of a 3x3 matrix Ready to use Violeta CIT 04/10/2017 17:56
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Week 13: Matrices: Cramers Rule 3x3 draft Ashley Cusack 12/12/2017 14:37
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Pelle's copy of Ashley's copy of Andrew's copy of Matrices: Cramers Rule 3x3 Ready to use Pelle Englund 10/12/2021 19:02
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Marisa's copy of Week 13: Matrices: Cramers Rule 3x3 draft Marisa Llorens 17/01/2018 12:42
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Adrian's copy Matrices: adding and subtracting two 3x3 matrices draft Adrian Jannetta 16/08/2023 14:56
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Matrices: adding and subtracting two 3x3 matrices draft Marie Nicholson 04/02/2021 15:44
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Ex 6 Cofactors, Determinant and Inverse of a 3x3 matrix Ready to use Violeta CIT 16/09/2018 12:34
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Cofactors, Determinant and Inverse of a 3x3 matrix (Adaptive) Ready to use Clodagh Carroll 27/09/2019 13:37
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Custom Marking version of Ex 6 Cofactors, Determinant and Inverse of a 3x3 matrix (CC) Doesn't work Clodagh Carroll 27/09/2018 17:08
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          William's copy of Multiply two matrices draft William Lee 18/12/2018 13:00
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Alison's copy of Matrices: cofactors determinant and inverse of a 3x3 matrix draft Alison Loddick 29/01/2019 08:38
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Lois's copy of Multiply two matrices draft Lois Rollings 05/06/2019 16:06
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Cofactors, Determinant and Inverse of a 3x3 matrix draft Xiaodan Leng 10/07/2019 23:30
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Paula's copy of Adaptive Marking version of Ex 6 Cofactors, Determinant and Inverse of a 3x3 matrix (CC) draft Paula Ruiz-Hincapie 04/09/2019 11:14
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Matt's copy of Ex 6 Cofactors, Determinant and Inverse of a 3x3 matrix draft Matt Tranter 16/09/2019 12:29
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          W1b - Cofactors, Determinant and Inverse of a 3x3 matrix Ready to use Timur Zaripov 17/06/2022 09:37
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Cofactors, Determinant and Inverse of a 3x3 matrix (Adaptive) draft 2 draft Clodagh Carroll 25/09/2020 14:45
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Cramers Rule 3x3 draft Shaheen Charlwood 19/02/2020 21:34
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Andrew's copy of Multiply two matrices Ready to use Andrew Hogue 22/06/2020 17:12
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Inverse of a 3x3 matrix draft Tamsin Smith 17/09/2024 13:21

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                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Name Type Generated Value
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          matrices list
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          List of 2 items

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Describe what this variable represents, and list any assumptions made about its value.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Generated value: list

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          [ matrix([3,2],[-6,0]), matrix([6,6],[5,4]) ]
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                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              What is {{matrices[0]}{matrices[1]}}?

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Unnamed gap

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                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Matrix entry
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