 # Use the Associative Property to Subtract

Examples, solutions, and videos to help Grade 2 students learn how to use the associative property to subtract from three-digit numbers and verify solutions with addition.

Common Core Standards: 2.NBT.7, 2.NBT.8, 2.NBT.9

Related Topics:
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

### NYS Math Grade 2 Module 5 Lesson 6

Lesson 6 Homework

1. Draw and label a tape diagram to show how to simplify the problem. Write the new number sentence, and then subtract.
b. 420 – 190 = ___ = ____
d. 650 – 280 = ___= ____

2. Draw and label a tape diagram to show how to simplify the problem. Write a new number sentence, and then subtract. Check your work using addition.
c. 442 – 298 = ____ = ____
d. 718 – 390 = ____ = ____

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.  