Critter Count (Modeling Multiplication)

Use groups of critters on leaves to model multiplication as repeated addition. Change the expression to change the number of groups or the number of critters per group. Display the critters either on leaves or as a rectangular array.

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HTML5

LEARNING OBJECTIVES:

  • Understand what is meant by a multiplication expression, such as 2 × 3.
  • Model a multiplication expression using groups or an array.
    • State the multiplication expression that matches an array or diagram of equal groups.
  • Model a multiplication expression as repeated addition: 4 × 3 = 3 + 3 + 3 + 3.
  • Show that the commutative property applies to all multiplication problems.
VOCABULARY:
  • array, commutative property, factor, multiple, multiplication, product

LESSON MATERIALS:

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