Math in Focus Chapter 2: Mental Math & Estimation
Trimester 1
Big Idea: Mental Math & Estimation
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Key Concepts:
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Chapter vocabulary: rounded, estimate, front-end estimation, reasonable, leading digit
from the Math in Focus Curriculum
Common Core State Standards:
Number & Operations in Base Ten:
- CCSS.MATH.CONTENT.3.NBT.A.1
Use place value understanding to round whole numbers to the nearest 10 or 100.
Game Suggestions for Mental Math & Estimation:
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Workbook Videos (by Daniel Lu): |
Chapter Review:
from the Math in Focus Curriculum
Chapter 2 Letter:
Additional Resources
from the Math in Focus Curriculum
Best Friends of 10!
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