Being collaborative

problem
Are you well balanced?

Age

5 to 7

Challenge level

Can you work out how to make each side of this balance equally balanced? You can put more than one weight on a hook.
problem
Guess what?

Age

7 to 11

Challenge level

Can you find out which 3D shape your partner has chosen before they work out your shape?
problem
Arranging additions and sorting subtractions

Age

5 to 7

Challenge level

Order these four calculations from easiest to hardest. How did you decide?
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
Compare the calculations

Age

7 to 11

Challenge level

Can you put these four calculations into order of difficulty? How did you decide?
problem
Picture your method

Age

7 to 11

Challenge level

Can you match these calculation methods to their visual representations?
problem
Fruity pairs

Age

5 to 7

Challenge level

Which two items of fruit could Kate and Sam choose? Can you order the prices from lowest to highest?
$Countdown fractions$

problem
Countdown fractions

Age

11 to 16

Challenge level

Here is a chance to play a fractions version of the classic Countdown Game.
problem
Less is more

Age

7 to 11

Challenge level

Use your knowledge of place value to try to win this game. How will you maximise your score?
problem
How many?

Age

5 to 11

Challenge level

Have a look at these photos of different fruit. How many do you see? How did you count?