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I can use efficient methods for subtraction


It's not always the best idea to find an answer using column subtraction. Sometimes the numbers can be quite close to one another, with a small difference, and using number line methods is quicker to calculate.


Watch the video below and have a go at today's work. I have also placed a copy of the worksheet onto today's assignment page in Google Classroom so you could edit it and submit it from there, should you wish.

Efficient Subtraction

Still image for this video