Primary Live Problems

Each time you visit the NRICH site there will be some activities which are 'live'. That means we are inviting you to send us your solutions and we will publish a selection of them, along with your name and school. If you'd like to read more about what we're looking for, read this short article.

This set of tasks will stop being live on Monday 9 December. 

Sizing Them Up

Age 5 to 7 Challenge Level:

Can you put these shapes in order of size? Start with the smallest.

How Many?

Age 5 to 11 Challenge Level:

Have a look at these photos of different fruit. How many do you see? How did you count?


Age 5 to 11 Challenge Level:

This is an adding game for two players.

Nine-pin Triangles

Age 7 to 11 Challenge Level:

How many different triangles can you make on a circular pegboard that has nine pegs?


Age 7 to 11 Challenge Level:

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

A Jar of Teddies

Age 7 to 14 Challenge Level:

How many teddies are in the jar? How many teddies could you fit in your classroom?