Exercises on calculating the determinant of 2x2 and 3x3 matrices.

Exercises on calculating the determinant of 3x3 matrices.

Find the determinant and inverse of three $2 \times 2$ invertible matrices.

This question tests learner's knowledge of the inverse matrix method for a 3x3 matrix.

Putting a pair of linear equations into matrix notation and then solving by finding the inverse of the coefficient matrix. 

This exam gives an overview of skills studnets require to be able to add and subtract matrices.

Exam to test students understanding of matrices multiplied by a scalar.

This exam gives tests for an overview of the skills students need to be able to perfom matrix multiplications.

Multiplication of two matrices.

This question tests if a students understands when matrices are conformable

This is a collection of questions to test different aspect to consider when representing a matrix.

This question tests understanding of subscript notation for matrices

Details on inputting numbers into Numbas. (German translation)

Dealing with functions in Numbas. (Translation to German.)

Inputting ratios of algebraic expressions. (Translation to German)

Information on inputting powers

Demonstrates how to display a plot generated in R.

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Find the number of people with heights greater then mean plus two times the standard deviation.

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GIve a random linear program and ask the students to convert it to canonical form.

Statistics and probability. 2 questions, 1 on two sample t-test and 1 on paired t-test.