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Four Fact Families. Multiplication and Division. DEFINITIONS. Multiplicand - Any number being multiplied. 2 x 5 = 10 Inverse Operation - An opposite operation that undoes another operation. 2 x 5 = 10 10 ÷ 5 = 2. Multiplication/Division Four Fact Families.

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four fact families

Four Fact Families

Multiplication and Division

definitions
DEFINITIONS
  • Multiplicand - Any number being multiplied.
  • 2x5 = 10
  • Inverse Operation - An opposite operation that undoes another operation.
  • 2 x 5 = 10 10 ÷ 5 = 2
multiplication division four fact families
Multiplication/Division Four Fact Families
  • Start with a simple multiplication fact.

3 x 5 = 15

  • Change the order of the multiplicands. Why are we permitted to do this?

5 x 3 = 15

  • Write the Inverse operations for multiplication facts.
  • 15 ÷ 3 = 5
  • 15 ÷ 5 = 3
what are the members of the four fact family for
What are the members of the Four Fact family for
  • 4 x 9 = 36
  • 2x 8 = 16
  • 5x 7 = 35
  • What important idea must elementary school children understand about the relationship between multiplication and division?