ch. 3: Understand Multiplication

Vocabulary

  • Associative Property of Multiplication: the property that states that when the grouping of factors is changed, the product remains the same
  • Commutative Property of Multiplication: the property that states that you can multiply two factors in any order and get the same product
  • Counting Number: a whole number that can be used to count a set of objects (1, 2, 3, 4, …)
  • Distributive Property of Multiplication: the property that states that multiplying a sum by a number is the same as multiplying each addend by the number and then adding the products
  • Equal Groups: groups that have the same number of objects. For example, 5x6=30. There are 5 equal groups of 6 in 30
  • Factor: a number that is multiplied by another number to find a product
  • Identity Property of Multiplication: the property that states that the product of any number and 1 is that number
  • Multiple: the product of two counting numbers is called a multiple of each of those numbers
  • Multiply: when you combine equal groups, you can multiply to find how many in all; the opposite operation of division
  • Product: the answer in a multiplication problem
  • Zero Property of Multiplication: the property that states that the product of zero and any number is zero

Multiplication properties

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