Challenge Level

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

Challenge Level

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

Challenge Level

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

Challenge Level

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.

Challenge Level

Who said that adding, subtracting, multiplying and dividing couldn't be fun?

Challenge Level

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

Challenge Level

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

Challenge Level

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?

Challenge Level

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

Challenge Level

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

Challenge Level

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

Challenge Level

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

Challenge Level

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

Challenge Level

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

Challenge Level

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