Unit 3 - Lesson 3 - Grade 3: Illustrative Mathematics
By Formative Library
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Last updated 7 months ago
11 questions
Note from the author:
Grade 3 Unit 3
Lesson 3: Add Your Way
CC BY 2021 Illustrative Mathematics®
Grade 3 Unit 3
Lesson 3: Add Your Way
CC BY 2021 Illustrative Mathematics®
Lesson: Add Your Way
Find the value of each expression mentally.
200 + 40 + 7
200 + 40 + 7
50 + 300 + 2
50 + 300 + 2
40 + 600 + 12
40 + 600 + 12
500 + 17 + 130
500 + 17 + 130
Find the value of each sum in any way that makes sense to you. Explain or show your reasoning.
325 + 102
325 + 102
301 + 52
301 + 52
276 + 118
276 + 118
298 + 305
298 + 305
Andre found the value of 276 + 118. His work is shown.
Clare found the value of 276 + 118. Her work is shown.
With your partner, discuss:
What’s different about Clare and Andre’s work?
With your partner, discuss:
What’s different about Clare and Andre’s work?
With your partner, discuss:
What’s the same?
With your partner, discuss:
What’s the same?
Cool Down: Add It Up
Find the value of 258 + 217. Explain or show your reasoning.
Find the value of 258 + 217. Explain or show your reasoning.