problem
Favourite
Keep it simple
Can all unit fractions be written as the sum of two unit fractions?
This challenge invites you to create your own picture using just straight lines. Can you identify shapes with the same number of sides and decorate them in the same way?
Tom and Ben visited Numberland. Use the maps to work out the number of points each of their routes scores.
We start with one yellow cube and build around it to make a 3x3x3 cube with red cubes. Then we build around that red cube with blue cubes and so on. How many cubes of each colour have we used?
Ben and his mum are planting garlic. Can you find out how many cloves of garlic they might have had?
Use your addition and subtraction skills, combined with some strategic thinking, to beat your partner at this game.