Factors and multiples

problem
Tiling

Age

7 to 11

Challenge level

An investigation that gives you the opportunity to make and justify predictions.
problem
Three dice

Age

7 to 11

Challenge level

Investigate the sum of the numbers on the top and bottom faces of a line of three dice. What do you notice?
problem
Times tables shifts

Age

7 to 11

Challenge level

In this activity, the computer chooses a times table and shifts it. Can you work out the table and the shift each time?
problem
Which numbers? (1)

Age

7 to 11

Challenge level

I am thinking of three sets of numbers less than 101. They are the red set, the green set and the blue set. Can you find all the numbers in the sets from these clues?
problem
Guess the dominoes

Age

7 to 11

Challenge level

This task depends on learners sharing reasoning, listening to opinions, reflecting and pulling ideas together.
problem
Give me four clues

Age

7 to 11

Challenge level

There are eight clues to help you find the mystery number on the grid. Four of them are helpful but the other four aren't! Can you sort out the clues and find the number?
problem
Multiply multiples 1

Age

7 to 11

Challenge level

Can you complete this calculation by filling in the missing numbers? In how many different ways can you do it?
problem
Multiply multiples 2

Age

7 to 11

Challenge level

Can you work out some different ways to balance this equation?
problem
Multiply multiples 3

Age

7 to 11

Challenge level

Have a go at balancing this equation. Can you find different ways of doing it?
problem
Guess the dominoes for two

Age

7 to 11

Challenge level

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