Difference between revisions of "Fact family"
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Revision as of 23:05, August 5, 2014
A fact family is a group of arithmetic facts which use the same numbers. For example, 7 - 3 = 4 and 7 - 4 = 3 and 3 + 4 = 7 and 4 + 3 = 7. Students in primary school are told to memorize these related facts together.