Recently published items

An interactive experiment about probability: the student must first 'design' the experiment by deciding how many times they're going to flip a coin, and define what number of heads would make them believe the coin is biased. They must then enter the results of their coin flips, calculate the percentage of heads, and finally decide if the coin is biased, using the condition they specified in the design stage. There are optional hints at each stage.

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Scalar Multiplication of matrices, plus used in combination with addition & subtraction

Scalar Multiplication, addition and subtraction in combination (pre-defined sizes in answers)

Scalar Multiplication (student-defines sizes in answers)

Scalar Multiplication (pre-defined sizes in answers)

Exam paper at end of year for IB1 HL students.

Exam paper at end of year for IB1 SL students.

Addition and subtraction of random matrices.

Matrix subtraction (student defines dimensions in answer)