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Unit 8 - Lesson 16 - Grade 5: Illustrative Mathematics

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13 Questions
Note from the author:
Grade 5 Unit 8
Lesson 16: Number Talk
CC BY 2021 Illustrative Mathematics®
Grade 5 Unit 8
Lesson 16: Number Talk
CC BY 2021 Illustrative Mathematics®
Lesson: Number Talk

Number Talk: Division (Warm Up)

Find the value of each expression mentally.
1.

2.

3.

4.

Number Talk: Design 1

5.
Write an expression to complete the number talk.



_______
6.

Explain how you chose the last expression.

Number Talk: Design 2

Choose one of the number talks to complete. Be prepared to share your reasoning for the expressions you chose.
7.
Option 1:



_______

_______
8.

Share your reasoning for the expressions you chose.

9.
Option 2:



_______

_______
10.

Share your reasoning for the expressions you chose.

Number Talk: Design 3

11.
Write expressions to complete the Number Talk.


_______

_______

_______
12.

Share your reasoning for the expressions.

Cool Down: Reflection
13.

As mathematicians, we use patterns and structure in problems we solve to reason about new problems. Describe a time today when you did that.