Identifying y=mx+b given two points

Calculate the midpoint of two points.

Calculate the distance between two points.

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An introduction to terminology about the surjective property of a function.

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Applied questions that could be done with modulo arithmetic.

Credits to : Ben Brown.

used under a CC-BY 4.0 licence. https://creativecommons.org/licenses/by/4.0/

Introductory exercise about set equality

This question provides practice at adding, subtracting, dividing and multiplying complex numbers in rectangular form.

Quiz covering basic arithmetic with complex numbers, solving a quadratic with complex solutions and converting to/from polar and rectangular forms.

Quiz covering basic arithmetic with complex numbers, solving a quadratic with complex solutions and converting to/from polar and rectangular forms.

This question provides practice at adding, subtracting, dividing and multiplying complex numbers in rectangular form.

Working with powers

Questions about Pythagoras' theorem

Multiples, factors, lowest common multiples and highest common factors.

This is a set of questions designed to help you practice adding, subtracting, multiplying and dividing fractions.

All of these can be done without a calculator.

Round random numbers to the closest whole number, 1 to 3 decimals places. Also rounding that could show common misunderstandings.

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This question allows you to practice converting between decimals and fractions

This is a set of questions designed to help you praction adding, subtracting, multiplying and dividing fractions.

All of these can be done without a calculator

These questions are asking you to use a non-calculator method to work out a percentage amount of a value.