Stage 3 and 4 Toughnuts

Power Countdown

Stage: 4 Challenge Level: Challenge Level:1

In this twist on the well-known Countdown numbers game, use your knowledge of Powers and Roots to make a target.

Strange Bank Account (part 2)live

Stage: 3 Challenge Level: Challenge Level:1

Investigate different ways of making £5 at Charlie's bank.

Take Three from Five

Stage: 3 and 4 Challenge Level: Challenge Level:2 Challenge Level:2

Caroline and James pick sets of five numbers. Charlie chooses three of them that add together to make a multiple of three. Can they stop him?

What's the Weather Like?live

Stage: 3 and 4 Challenge Level: Challenge Level:1

With access to weather station data, what interesting questions can you investigate?