This collection is one of our Primary Curriculum collections - tasks that are grouped by topic.

Number match
A task which depends on members of the group noticing the needs of others and responding.

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

Four-digit targets
You have two sets of the digits 0-9. Can you arrange these in the five boxes to make four-digit numbers as close to the target numbers as possible?

Coded hundred square
This 100 square jigsaw is written in code. It starts with 1 and ends with 100. Can you build it up?

Nice or nasty
There are nasty versions of this dice game but we'll start with the nice ones...

Take three numbers
What happens when you add three numbers together? Will your answer be odd or even? How do you know?

Round the four dice
This activity involves rounding four-digit numbers to the nearest thousand.

Round the three dice
What happens when you round these three-digit numbers to the nearest 100?

Reasoned rounding
Four strategy dice games to consolidate pupils' understanding of rounding.

Less is more
Use your knowledge of place value to try to win this game. How will you maximise your score?

Which scripts?
There are six numbers written in five different scripts. Can you sort out which is which?

The Deca Tree
Find out what a Deca Tree is and then work out how many leaves there will be after the woodcutter has cut off a trunk, a branch, a twig and a leaf.

The thousands game
Each child in Class 3 took four numbers out of the bag. Who had made the highest even number?

Number differences
Place the numbers from 1 to 9 in the squares below so that the difference between joined squares is odd. How many different ways can you do this?

Magic Vs
Can you put the numbers 1-5 in the V shape so that both 'arms' have the same total?

Number lines in disguise
Some of the numbers have fallen off Becky's number line. Can you figure out what they were?

You may also be interested in this collection of activities from the STEM Learning website, that complement the NRICH activities above.