Upper KS2 Four Operations Code Breaker Lesson

This code breaker resource includes:

• A PPT with a quick warm up, a practise code and a ‘spot the mistake’ task.
• Code breaker activity where students read and solve clues to crack three padlock codes, before using formal written methods, multiplication and division problems to crack the final code. The activity sheets have three levels of differentiation.
• Challenges with three levels of differentiation. Challenge 1 involves spotting the mistakes in addition and subtraction problems (3 digits), challenge 2 requires students to solve Maths riddles. Finally, challenge 3 gives students the chance to solve a range of clues to fill in the mystery keypad.
• Answers included.

The activities and answers are downloaded as PDF files