Subtraction with Decompositions
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Common Core Math Resources, Lesson Plans & Worksheets for all grades
Common Core Math Lessons, Math Worksheets and Games for Grade 2
Common Core Math Lessons, Math Worksheets and Games for all grades
Examples, videos, and solutions to help Grade 2 students learn how to use math drawings to represent subtraction with up to two decompositions, relate drawings to the algorithm, and use addition to explain why the subtraction method works.
Common Core Standards: 2.NBT.7, 2.NBT.9
Worksheets for Grade 2
1. Solve by drawing number disks on a chart. Then, use addition to check your work.
b. 463 - 357
d. 861 - 673
Lesson 15 Homework
1. Solve by drawing chips on the place value chart. Then, use addition to check your work.
b. 742 – 495
e. 941 – 628
2. Complete all of the if...then statements. Draw a number bond to represent the related facts.
a. If 928 – ________ = 519, then 519 + 409 = _________.
b. If 764 – _______ = 391, then ________ + 391 = 764.
Common Core Math Resources, Lesson Plans & Worksheets for all grades
Common Core Math Lessons, Math Worksheets and Games for Grade 2
Common Core Math Lessons, Math Worksheets and Games for all grades
Examples, videos, and solutions to help Grade 2 students learn how to use math drawings to represent subtraction with up to two decompositions, relate drawings to the algorithm, and use addition to explain why the subtraction method works.
Common Core Standards: 2.NBT.7, 2.NBT.9
New York State Common Core Math Grade 2, Module 5, Lesson 14, Lesson 15
Topic C: Strategies for Decomposing Tens and Hundreds Within 1,000Worksheets for Grade 2
NYS Math Module 5 Grade 2 Lesson 14
Lesson 14 Homework1. Solve by drawing number disks on a chart. Then, use addition to check your work.
b. 463 - 357
d. 861 - 673
NYS Math Module 5 Grade 2 Lesson 15
Lesson 15 Homework
1. Solve by drawing chips on the place value chart. Then, use addition to check your work.
b. 742 – 495
e. 941 – 628
2. Complete all of the if...then statements. Draw a number bond to represent the related facts.
a. If 928 – ________ = 519, then 519 + 409 = _________.
b. If 764 – _______ = 391, then ________ + 391 = 764.
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