Being collaborative

game
Favourite

Diamond collector

Age

11 to 16

Challenge level

Collect as many diamonds as you can by drawing three straight lines.
game
Favourite

Factors and multiples game

Age

7 to 16

Challenge level

A game in which players take it in turns to choose a number. Can you block your opponent?
game
Favourite

Transformation game

Age

11 to 14

Challenge level

Why not challenge a friend to play this transformation game?
game
Favourite

Quadrilaterals game

Age

11 to 14

Challenge level

A game for 2 or more people, based on the traditional card game Rummy.
problem
Tumbling down

Age

7 to 11

Challenge level

Watch this animation. What do you see? Can you explain why this happens?
problem
Eightness of eight

Age

5 to 7

Challenge level

What do you see as you watch this video? Can you create a similar video for the number 12?
problem
Pouring problem

Age

7 to 11

Challenge level

What do you think is going to happen in this video clip? Are you surprised?
problem
Number lines in disguise

Age

7 to 14

Challenge level

Some of the numbers have fallen off Becky's number line. Can you figure out what they were?
problem
Price match

Age

7 to 11

Challenge level

Can you find pairs of differently sized windows that cost the same?
problem
Representing numbers

Age

7 to 11

Challenge level

Find as many different ways of representing this number of dots as you can.