For example
Subtract the 15 tickets sold from 40 printed to see 25 left.
In Grade 4
Children take away from real amounts and also find the difference by counting up between two numbers.
Watch out for
Children often subtract the smaller digit from the larger one in each column, whichever way round they sit. Exchange from the next column instead.
Say it at home
Give your child a price and some money and ask how much change is due.
Younger children may meet this as: take away.
Try it together
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