Recently published items - Numbas at mathcentre.ac.uk

Solving a system of three linear equations in 3 unknowns using Gaussian Elimination (or Gauss-Jordan algorithm) in 5 stages. Solutions are all integers. Introductory question where the numbers come out quite nice with not much dividing. Set-up is meant for formative assessment. Adapated from a question copied from Newcastle.

Published on 12/09/2022 13:48 CC BY

Gaussian elimination to solve a system of equations

Question by Andrew Brown and 3 others

Solving a system of three linear equations in 3 unknowns using Gaussian Elimination (or Gauss-Jordan algorithm) in 5 stages. Solutions are all integers. Introductory question where the numbers come out quite nice with not much dividing. Set-up is meant for formative assessment. Adapated from a question copied from Newcastle.

Published on 12/09/2022 13:48 CC BY

Counting Intersections

Question by Alexander Corner

A question to test understanding of set cardinality and intersections when limited information is known about the size of certain sets.

Published on 07/09/2022 08:33 CC BY-NC-SA

Absorb to -b only

Question by adam bretherton and 1 other

No description given

Published on 01/09/2022 13:01 No licence specified

Absorb to a only

Question by adam bretherton

No description given

Published on 01/09/2022 12:56 No licence specified