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Math Triangle
Tuesday, December 11, 2012 8:35 AM

Multiplication/Division Fact Triangles

Fact Triangles

Facts may be mastered through the use of triangle fact cards. A triangle fact is pictured to the right. Fact triangles are a more effective device for memorizing the facts than ordinary flashcards because of their emphasis on fact families. The three numbers involved in an addition fact are placed on the corners of a fact triangle. The sum (answer) is at the top, under the asterisk (*). You cover one of the corners of the triangle. Then give an addition/subtraction fact that has the number you are concealing as its answer. For example, in the fact triangle pictured, you would say either "3+4=7" or "7-3=4." Similar fact triangles are used for multiplication.

math triangle