Counting

problem
Cinema costs

Age

11 to 14

Challenge level

Weekly Problem 41 - 2009
At a cinema a child's ticket costs Â£4.20 and an adult's ticket costs Â£7.70. How much did is cost this group of adults and children to see a film?
problem
Loose change

Age

11 to 14

Challenge level

In how many ways can you give change for a ten pence piece?
problem
Sea level

Age

7 to 11

Challenge level

The picture shows a lighthouse and some underwater creatures. Can you work out the distances between some of the different creatures?
problem
Tug harder!

Age

7 to 11

Challenge level

In this game, you can add, subtract, multiply or divide the numbers on the dice. Which will you do so that you get to the end of the number line first?
problem
Tug of war

Age

5 to 7

Challenge level

Can you use the numbers on the dice to reach your end of the number line before your partner beats you?
problem
Swimming pool

Age

5 to 11

Challenge level

In this problem, we're investigating the number of steps we would climb up or down to get out of or into the swimming pool. How could you number the steps below the water?
problem
Picture a pyramid

Age

7 to 11

Challenge level

Imagine a pyramid which is built in square layers of small cubes. If we number the cubes from the top, starting with 1, can you picture which cubes are directly below this first cube?
problem
Alien counting

Age

7 to 11

Challenge level

Investigate the different ways these aliens count in this challenge. You could start by thinking about how each of them would write our number 7.
problem
100 square jigsaw

Age

5 to 7

Challenge level

Can you complete this jigsaw of the 100 square?
problem
Cunning card trick

Age

11 to 14

Challenge level

Delight your friends with this cunning trick! Can you explain how it works?