Subtraction Code Cracker Worksheet | 4 Digit from 4 Digit | With Exchanging

A fun subtraction activity: pupils subtract a series of 4 digit numbers from 4 digit numbers to crack the code and find the message! These subtractions require exchanging.

Inbuilt self-checking for pupils as the letters corresponding to the answers are revealed to spell words in a sentence. A solution sheet is included with all answers. The resource comes as a PDF. Differentiated with a quicker version with fewer calculations.

This resource is suitable for LKS2. It covers the following National Curriculum objective:

Year 4
• To add and subtract numbers with up to 4 digits using the formal written methods of columnar addition and subtraction

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