LESSON MATERIALS:

• Student Exploration Sheet

  • Word
  • PDF

• Exploration Sheet Answer Key

  Answer Key for Subscribers Only

• Teacher Guide

  • Word
  • PDF

• Vocabulary Sheet

  • Word
  • PDF

• Assessment Questions

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