St Nicholas Church of EnglandPrimary Academy
This is "Aut4.6.5 - Subtract two 4-digit numbers - one exchange" by White Rose Maths on Vimeo, the home for high quality videos and the people who love them.
This is "Aut4.7.1 - Subtract two 4-digit numbers (more than one exchange)" ..
This is "Aut4.7.2 - Efficient subtraction"
This is "Aut4.7.3 - Estimate answers"
This is "Aut4.7.4 - Checking strategies"
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