docx, 42.12 KB
docx, 42.12 KB
docx, 42.21 KB
docx, 42.21 KB
Children get the chance to be 'detectives' by using inversion to complete the subtraction problems with the first number missing to work out the letters to crack the code! I have created a slightly more difficult version of the same activity using higher numbers.
Creative Commons "Sharealike"

Reviews

4.9

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Quinterito

8 years ago
5

Wonderful. Thanks

Baccarolle

8 years ago
4

alilly

9 years ago
5

Great. Thank you.

nicb973

9 years ago
5

NJB83

9 years ago
5

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