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 and solutions to help Grade 2 students learn how to compare totals below to new groups below as written methods.
Common Core Standards: 2.OA.1, 2.NBT.7, 2.NBT.9
Lesson 30 Concept Development
Distinguish between the two written methods for addition: compare totals below and new groups below.
Lesson 30 Problem Set
3. Solve each problem two different ways.
a. 134 + 48
Lesson 30 Homework
2. Here is one way to solve 145 + 67. For (a), solve 145 + 67 another way.
b. Explain how the two ways to solve 145 + 67 are similar.
3. Show another way to solve 142 + 39.
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