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Multiplication of matrices.

Multiplication of matrices.

Quiz to assess matrix addition, subtraction, multiplication and multiplication by scalar.

Multiplication of matrices.

Addition and subtraction of matrices; multiplication by scalar.

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Multiplying matrices (student-defines sizes in answers)

Multiplying matrices (pre-defined sizes in answers)

A demo of the main new features in Numbas v5: explore mode, alternative answers and "Choose from a menu" question navigation.

The student is asked to add two four-digit numbers. Alternative answers are set up with progressively expanding ranges of accepted values, so the student gets more marks for getting closer to the true answer.