Lesson 10 Multiplication and Division

    • Let’s represent equal groups and write equal groups situations.

Warm-up Which One Doesn’t Belong: Multiplication and Division

Which one doesn’t belong?

  1. Diagram. Array
  2. Diagram. Rectangle
  3. diagram. tape diagram
  4. Division expression. 24 divided by 6

Activity 1 Card Sort: Find the Match

Your teacher will give you a card that shows an equation or a diagram.

  1. Find a classmate whose card represents the same situation or quantities as your card does. Be prepared to explain why your cards belong together.

  2. Work with your partner to create a poster that includes:

    1. your cards

    2. a different diagram that your division equation could represent

    3. a situation that your division equation could represent

    Show your thinking and organize it so it can be followed by others.

Activity 2 Find the Match Gallery Walk

As you visit the posters with your partner, answer these questions:

  1. Describe a representation you saw that was different from the ones you showed in your poster.

  2. Choose a poster that is not yours. Describe one way that it shows the relationship between multiplication and division.