Factors and multiples

Guess the Dominoes for child and adult. Work out which domino your partner has chosen by asking good questions.

This activity focuses on doubling multiples of five.

Have a go at balancing this equation. Can you find different ways of doing it?

Can you work out some different ways to balance this equation?

Can you complete this calculation by filling in the missing numbers? In how many different ways can you do it?

Can you place the nine cards onto a 3x3 grid such that every row, column and diagonal has a product of 1?

Is there a relationship between the coordinates of the endpoints of a line and the number of grid squares it crosses?

Substitution and Transposition all in one! How fiendish can these codes get?

Can you work out what size grid you need to read our secret message?