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Unit 3 - Lesson 18 - Grade 3: Illustrative Mathematics

Last updated 9 months ago
7 questions
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Grade 3 Unit 3
Lesson 18: Diagrams and Equations for Word Problems
CC BY 2021 Illustrative Mathematics®
Grade 3 Unit 3
Lesson 18: Diagrams and Equations for Word Problems
CC BY 2021 Illustrative Mathematics®
Lesson: Diagrams and Equations for Word Problems

Notice and Wonder: Diagrams (Warm Up)

1

What do you notice?

1

What do you wonder?

Card Sort: Situations, Equations, and Diagrams

Your teacher will give you a set of cards showing situations, equations, and diagrams.

Sort the cards into groups so that the cards in each group represent the same situation. Be ready to explain your reasoning.
1

Explain your reasoning for sorting the cards.

Makes Sense to Me: A Gallery Walk

Your teacher will assign a problem to your group. Work together to solve your assigned problem.
1

Create a poster of your group’s solution. Organize your work so that it can be followed by others.

As you visit other groups' posters, consider how each answer makes sense.
1

Choose one poster and make a comment on the solution. Write how you know the answer makes sense.

Cool Down: Equation Match
1

Andre had 451 beads. 125 beads were blue. 223 beads were pink. The rest of the beads were yellow. How many beads were yellow?

Which equation matches this situation?

1

Explain your reasoning.