Arithmetic Grade Three

Lesson Thirty-four: Fact Families

Fact Families 

	5, 4, 9

	5 + 4 = 9
	4 + 5 = 9
	9 - 4 = 5
	9 - 5 = 4




	4, 3, 7

	4 + 3 = 7
	3 + 4 = 7
	7 - 3 = 4
	7 - 4 = 3
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