Upper 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.

That Number Square!live

Stage: 1 and 2 Challenge Level: Challenge Level:1

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

Maze 100live

Stage: 2 Challenge Level: Challenge Level:2 Challenge Level:2

Can you go through this maze so that the numbers you pass add to exactly 100?

Amy's Dominoeslive

Stage: 2 Challenge Level: Challenge Level:2 Challenge Level:2

Amy has a box containing domino pieces but she does not think it is a complete set. She has 24 dominoes in her box and there are 125 spots on them altogether. Which of her domino pieces are missing?

Approaching Midnight Jump Straight Inlive

Stage: 2 and 3

If you'd like to explore the game freely, without any nudges from us, choose this version.

Approaching Midnight What Next?live

Stage: 2 and 3

Want some suggestions about where to go next with the game?

Approaching Midnight Get Startedlive

Stage: 2 and 3

Like a bit of help getting into the game? Then have a look at this.

Approaching Midnight Taking it Furtherlive

Stage: 2 and 3

Here we offer some suggestions about how you could take the Approaching Midnight game further.

Approaching Midnight the Ultimatelive

Stage: 2 and 3

Want a serious challenge? Have a look at these ideas for changing the Approaching Midnight game.

Stage 1 and 2 Toughnuts

Stage: 1 and 2

These Stage 1 and 2 problems haven't been solved yet. Why not take a look?