Subtraction Algorithm
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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 relate manipulative representations to the subtraction algorithm, and use addition to explain why the subtraction method works.
Common Core Standards: 2.NBT.7, 2.NBT.9
Lesson 13 Homework
2. Solve using either mental math or the vertical method with number disks. Check your work using addition.
b. 153 – 38 = _______
d. 485 – 177 = _______
3. Complete the number sentence modeled by disks.
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 relate manipulative representations to the subtraction 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 13
Topic C: Strategies for Decomposing Tens and Hundreds Within 1,000NYS Math Module 5 Grade 2 Lesson 13
Worksheets for Grade 2Lesson 13 Homework
2. Solve using either mental math or the vertical method with number disks. Check your work using addition.
b. 153 – 38 = _______
d. 485 – 177 = _______
3. Complete the number sentence modeled by disks.
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