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I wonder ... what if ...?

When were you last curious? What was it that provoked your curiosity? What compelled you to explore further?

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The final date for sending in solutions is Friday 2nd February 2018.
What Was in the Box? link

What Was in the Box? live

Stage: 1 Challenge Level: Challenge Level:1

This big box adds something to any number that goes into it. If you know the numbers that come out, what addition might be going on in the box?

Break it Up! link

Break it Up! live

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

In how many different ways can you break up a stick of 7 interlocking cubes? Now try with a stick of 8 cubes and a stick of 6 cubes.

Holes link

Holes live

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

I've made some cubes and some cubes with holes in. This challenge invites you to explore the difference in the number of small cubes I've used. Can you see any patterns?

Four Triangles Puzzle link

Four Triangles Puzzle live

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

Cut four triangles from a square as shown in the picture. How many different shapes can you make by fitting the four triangles back together?

Making Maths: Birds from an Egg link

Making Maths: Birds from an Egg live

Stage: 2 Challenge Level: Challenge Level:1

Can you make the birds from the egg tangram?

Creating Cubes link

Creating Cubes live

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

Arrange 9 red cubes, 9 blue cubes and 9 yellow cubes into a large 3 by 3 cube. No row or column of cubes must contain two cubes of the same colour.

Sweets in a Box link

Sweets in a Box live

Stage: 2 Challenge Level: Challenge Level:1

How many different shaped boxes can you design for 36 sweets in one layer? Can you arrange the sweets so that no sweets of the same colour are next to each other in any direction?

Number Sandwiches link

Number Sandwiches live

Stage: 2 and 3 Challenge Level: Challenge Level:2 Challenge Level:2

Can you arrange the digits 1, 1, 2, 2, 3 and 3 to make a Number Sandwich?