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®
Find the value of each expression mentally.
Write an expression to complete the number talk.
Explain how you chose the last expression.
Choose one of the number talks to complete. Be prepared to share your reasoning for the expressions you chose.
Option 1:
Share your reasoning for the expressions you chose.
Option 2:
Share your reasoning for the expressions you chose.
Write expressions to complete the Number Talk.
Share your reasoning for the expressions.
As mathematicians, we use patterns and structure in problems we solve to reason about new problems. Describe a time today when you did that.