You may also like

problem icon

Exploring Wild & Wonderful Number Patterns

EWWNP means Exploring Wild and Wonderful Number Patterns Created by Yourself! Investigate what happens if we create number patterns using some simple rules.

problem icon

I'm Eight

Find a great variety of ways of asking questions which make 8.

problem icon

Sending Cards

This challenge asks you to investigate the total number of cards that would be sent if four children send one to all three others. How many would be sent if there were five children? Six?

Function Machines

Stage: 2 Challenge Level: Challenge Level:2 Challenge Level:2

You might like to start with $5$. Follow the operations in order - add $3$, multiply by $5$, take away $2$. What comes out?
How could you get from $2$ to $22$ ? Will those same operations turn $3$ into $28$?