Place value

problem
Favourite

Writing Digits

Age

5 to 7

Challenge level

1 out of 3

Lee was writing all the counting numbers from 1 to 20. She stopped for a rest after writing seventeen digits. What was the last number she wrote?
problem
Favourite

Butterfly Flowers

Age

5 to 7

Challenge level

1 out of 3

Can you find two butterflies to go on each flower so that the numbers on each pair of butterflies adds to the number on their flower?
problem
Favourite

Our Numbers

Age

5 to 7

Challenge level

1 out of 3

These spinners will give you the tens and unit digits of a number. Can you choose sets of numbers to collect so that you spin six numbers belonging to your sets in as few spins as possible?
game
Favourite

Snail One Hundred

Age

5 to 7

Challenge level

1 out of 3

In this game, you throw a dice and move counters along the snail's body and in a spiral around the snail's shell. It is about understanding tens and ones.
problem
Favourite

6 Beads

Age

5 to 7

Challenge level

2 out of 3

If you put three beads onto a tens/ones abacus you can make the numbers 3, 30, 12 or 21. What numbers can be made with six beads?
problem
Favourite

Number Detective

Age

5 to 11

Challenge level

1 out of 3

Follow the clues to find the mystery number.
problem
Favourite

100 Square Jigsaw

Age

5 to 11

Challenge level

1 out of 3

Can you complete this jigsaw of the 100 square?
problem
Favourite

Dicey Addition

Age

5 to 11

Challenge level

1 out of 3

In these addition games, you'll need to think strategically to get closest to the target.
problem
Favourite

That Number Square

Age

5 to 11

Challenge level

1 out of 3

Exploring the structure of a number square: how quickly can you put the number tiles in the right place on the grid?
game
Favourite

Dicey Operations in Line

Age

7 to 11

Challenge level

1 out of 3

In these addition, subtraction, multiplication and division games, you'll need to think strategically to get closest to the target.