Chocomatic (Multiplication, Arrays, and Area)

Use the Chocomatic to design candy bars made out of chocolate squares. Use multiplication to find the number of squares in each chocolate bar. Build collections of chocolate bars that all have the same number of squares. Solve multiplication problems by joining two smaller chocolate bars into a large bar.

  Launch Gizmo
HTML5

LEARNING OBJECTIVES:

  • Draw an array for a given multiplication expression.
  • Find the number of squares in an array using repeated addition and/or multiplication.
  • Find the factors of a given number.
  • Use arrays to write a given multiplication expression as the sum of two multiplication expressions.
VOCABULARY:
  • area, array, dimensions, factor, multiplication, product

LESSON MATERIALS:

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