Visualising and representing

problem
Subtraction slip

Age

5 to 7

Challenge level

Can you spot the mistake in this video? How would you work out the answer to this calculation?
problem
Teddy bear line-up

Age

5 to 7

Challenge level

What is the least number of moves you can take to rearrange the bears so that no bear is next to a bear of the same colour?
problem
Change around

Age

5 to 7

Challenge level

Move just three of the circles so that the triangle faces in the opposite direction.
problem
Six to four

Age

5 to 7

Challenge level

Move four sticks so there are exactly four triangles.
problem
Routes 1 and 5

Age

5 to 7

Challenge level

Find your way through the grid starting at 2 and following these operations. What number do you end on?
problem
Eggs in baskets

Age

5 to 7

Challenge level

There are three baskets, a brown one, a red one and a pink one, holding a total of 10 eggs. How many eggs are in each basket?
problem
Tessellating capitals

Age

5 to 7

Challenge level

Have you ever tried tessellating capital letters? Have a look at these examples and then try some for yourself.
problem
Building with cubes

Age

5 to 7

Challenge level

Try to picture these buildings of cubes in your head. Can you make them to check whether you had imagined them correctly?
problem
How many pieces this time?

Age

5 to 7

Challenge level

How many pieces of string have been used in these patterns? Can you describe how you know?
problem
Olympic rings

Age

5 to 7

Challenge level

Can you design your own version of the Olympic rings, using interlocking squares instead of circles?