# 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

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 = _____

Try the free Mathway calculator and problem solver below to practice various math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations. 