Counting

problem

Birthday Cake Candles

Age

7 to 11

Challenge level

This challenge involves calculating the number of candles needed on birthday cakes. It is an opportunity to explore numbers and discover new things.
problem

Page Numbers

Age

7 to 11

Challenge level

Exactly 195 digits have been used to number the pages in a book. How many pages does the book have?
problem

1 to 8

Age

7 to 11

Challenge level

Place the numbers 1 to 8 in the circles so that no consecutive numbers are joined by a line.
problem

Fingers and Hands

Age

7 to 11

Challenge level

How would you count the number of fingers in these pictures?
game

Sumo

Age

7 to 11

Challenge level

A number game requiring a strategy.
problem

Spelling Circle

Age

7 to 11

Challenge level

Find the words hidden inside each of the circles by counting around a certain number of spaces to find each letter in turn.
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

Truth or Lie

Age

7 to 11

Challenge level

Take a look at the video of this trick. Can you perform it yourself? Why is this maths and not magic?
problem

Some Secret Codes

Age

7 to 11

Challenge level

Can you follow the rule to decode the messages?
problem

Slippery Snail

Age

7 to 16

Challenge level

A game for two people, who take turns to move the counters. The player to remove the last counter from the board wins.