Explaining, convincing and proving

problem
Subtraction surprise

Age

7 to 14

Challenge level

Try out these calculations. Are you surprised by the results?
problem
Mega quadratic equations

Age

14 to 18

Challenge level

What do you get when you raise a quadratic to the power of a quadratic?
list
Reasoning, convincing and proving - short problems

Age

11 to 16

A collection of short Stage 3 and 4 problems requiring Reasoning, Convincing and Proving.
list
Proving

Age

7 to 11

These tasks provide opportunities for learners to get better at proving, whether through proof by exhaustion, proof by logical argument, proof by counter example or generic proof.