on purchases over $50
on purchases over $65
on purchases over $80
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Speak to usIn this unit, the students will investigate the concept of subtraction. The students will subtract 3 digit numbers from 4 digit numbers, where the 4-digit number has a 0 in the hundreds, tens and ones position. The students in this instance are required to carry out more complex trading. The students will also solve problems, which involve subtraction.