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Addition and Subtraction Strategies

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Lesson Plans and Worksheets for all Grades
Common Core For Grade 2
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Common Core Standards: 2.NBT.7, 2.NBT.8, 2.NBT.9

Free math video lessons with examples and worked solutions to help to help Grade 2 students learn how to choose and explain solution strategies and record with a written addition or subtraction method.

New York State Common Core Math Grade 2, Module 5, Lesson 19, Lesson 20

Worksheets for Grade 2

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

NYS Math Module 5 Grade 2 Lesson 19


Lesson 19 Homework

1. Solve and explain why you chose that strategy.
c. 519 + 342 = ______
f. 904 – 395 = ______



Lesson 20 Homework

1. Solve each problem using two different strategies.
a. 456 + 244 = _________
b. 698 + ______ = 945


Try out our new and fun Fraction Concoction Game.

Add and subtract fractions to make exciting fraction concoctions following a recipe. There are four levels of difficulty: Easy, medium, hard and insane. Practice the basics of fraction addition and subtraction or challenge yourself with the insane level.

Fraction Concoction Game


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