Search results with tag "Numbers together"

Mathematics glossary for teachers in Key Stages 1 to 3

pairs of numbers and therefore the operation of addition is said to be commutative. To add three numbers together, first two of the numbers must be added and then the third is added to this intermediate sum. For example, (5 + 3) + 4 means ‘add 3 to 5 and then add 4 to the result’ to give an overall total of 12.

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