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Use the Associative Property to Subtract




 


Videos solutions to help Grade 2 students learn how to use the associative property to subtract from three-digit numbers and verify solutions with addition.

Common Core Standards: 2.NBT.7, 2.NBT.8, 2.NBT.9

Related Topics:
Common Core Math Resources, Lesson Plans & Worksheets for all grades

Common Core Math Video Lessons, Math Worksheets and Games for Grade 2

Common Core Math Video Lessons, Math Worksheets and Games for all grades

New York State Common Core Math Module 5, Grade 2, Lesson 6


NYS Math Module 5 Grade 2 Lesson 6


Lesson 6 Homework

1. Draw and label a tape diagram to show how to simplify the problem. Write the new number sentence, and then subtract.
b. 420 – 190 = ___ = ____
d. 650 – 280 = ___= ____

2. Draw and label a tape diagram to show how to simplify the problem. Write a new number sentence, and then subtract. Check your work using addition.
c. 442 – 298 = ____ = ____
d. 718 – 390 = ____ = ____





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