Using Arrays to Understand Multiplication

Multiplication
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Using Arrays to Understand Multiplication

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  1. Using Arrays to Understand Multiplication

    Slide 1 - Using Arrays to Understand Multiplication

    • By: Erica Kimble
  2. Next Generation Standards

    Slide 2 - Next Generation Standards

    • M.3.OA.1 Interpret products of whole numbers, e.g. interpret 5x7 as the total number of objects in 5 groups of 7 objects each
    • M.3.OA.3 Use multiplication and division within 100 to solve word problems in situations involving equal groups, arrays, and measurement quantities, e.g. by using drawings and equations with a symbol for the unknown number to represent the problem
  3. Multiplication Using Arrays

    Slide 3 - Multiplication Using Arrays

    • In the beginning of introducing multiplication, arrays are sued to provide a visual representation for students to actually see the problem as opposed to just memorizing facts.
    • In this Mix presentation, examples of multiplication number stories and how to use arrays to solve those stories will be given and demonstrated.
  4. Stephanie has 4 boxes of crayons.  Each box has 5 crayons in it.  How many crayons does she have all together?

    Slide 6 - Stephanie has 4 boxes of crayons. Each box has 5 crayons in it. How many crayons does she have all together?

  5. Max has 3 dog pens in his yard.  Each pen will hold 6 dogs.  How many dogs are in Max’s yard?

    Slide 7 - Max has 3 dog pens in his yard. Each pen will hold 6 dogs. How many dogs are in Max’s yard?