Add and Subtract Like Units

Examples, solutions, and videos to help Grade 2 learn how to add and subtract like units. Students use their fluency with easier problems to solve more complex addition and subtraction problems within 100.

Common Core Standards: 2.OA.1, 2.OA.2

New York State Common Core Math Grade 2, Module 1, Lesson 3

Common Core Math Grade 2, Module 1, Lesson 3 Worksheets

Lesson 3 Homework

EngageNY/Eureka Math Grade 2 Module 1 Lesson 3 version 3

Add and subtract like units.

1. Solve.
   a. 20 + 7 = _____
   20 + 70 = _____
   62 + 3 = _____
   62 + 30 = _____
   
   b. 80 – 20 = _____
   85 – 2 = _____
   85 – 20 = _____
   86 – 20 = _____
   
   c. 30 + 40 = _____
   31 + 40 = _____
   35 + 4 = _____
   45 + 30 = _____
   
   d. 70 – 30 = _____
   75 – 30 = _____
   78 – 3 = _____
   75 – 40 = ___
2. Solve.
   a. 42 + 7 = _____
   b. 24 + 70 = _____
   c. 49 – 2 = _____
   d. 98 – 20 = _____
3. Solve.
   a. 16 + 3 = _____
   13 + 6 = _____
   
   b. 37 – 3 = _____
   37 – 4 = _____
   
   c. 26 + 70 = _____
   76 + 20 = _____
   
   d. 97 – 50 = _____
   97 – 40 = _____

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