Videos solutions to help Grade 2 students learn how to apply and explain alternate methods for subtracting from multiples of 100 and from numbers with zero in the tens place.

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

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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

Topic C: Strategies for Decomposing Tens and Hundreds Within 1,000

Lesson 18 Homework

1. Use the arrow way and counting on to solve.

a. 700 - 462

2. Solve vertically and draw a place value chart and chips. Rename in one step.

b. 803 - 667

3. Choose a strategy to solve and explain why you chose that strategy.

a. 700 – 390

4. Explain why 300 – 186 is the same as 299 – 185.

5. Solve 500 – 278 using the simplifying strategy from problem 4.