Exploring and noticing

problem

Chairs and Tables

Age

5 to 7

Challenge level

1 out of 3

Make a chair and table out of interlocking cubes, making sure that the chair fits under the table!
problem

So It's 28

Age

5 to 7

Challenge level

1 out of 3

Here is your chance to investigate the number 28 using shapes, cubes ... in fact anything at all.
problem

All Change

Age

5 to 7

Challenge level

1 out of 3

There are three versions of this challenge. The idea is to change the colour of all the spots on the grid. Can you do it in fewer throws of the dice?
problem

Starfish Spotting

Age

5 to 7

Challenge level

2 out of 3

How many starfish could there be on the beach, and how many children, if I can see 28 arms?
problem

Amazing Alphabet Maze

Age

5 to 7

Challenge level

2 out of 3

Can you go from A to Z right through the alphabet in the hexagonal maze?
problem

Domino Join Up

Age

5 to 7

Challenge level

2 out of 3

Can you arrange fifteen dominoes so that all the touching domino pieces add to 6 and the ends join up? Can you make all the joins add to 7?
problem

Find a Path

Age

5 to 7

Challenge level

2 out of 3

Can you find a path from a number at the top of this network to the bottom which goes through each number from 1 to 9 once and once only?
problem

Tricky Triangles

Age

5 to 7

Challenge level

3 out of 3

Use the three triangles to fill these outline shapes. Perhaps you can create some of your own shapes for a friend to fill?
problem

Number Squares

Age

5 to 11

Challenge level

1 out of 3

Start with four numbers at the corners of a square and put the total of two corners in the middle of that side. Keep going... Can you estimate what the size of the last four numbers will be?
problem

Stairs

Age

5 to 11

Challenge level

1 out of 3

This challenge is to design different step arrangements, which must go along a distance of 6 on the steps and must end up at 6 high.