Inverse Operations: Check Your Answers (Ex. 1)

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1. Question 1

   Multiple choice

   Which inverse operation checks 45 + 37 = 82?

2. Question 2

   Multiple choice

   If 250 - 130 = 120, which checks it?

3. Question 3

   Multiple choice

   The inverse of addition is ___.

4. Question 4

   Sequence

   50+30=80, 80-30=50; 100+50=150, 150-50=___.

5. Question 5

   True or false

   The inverse of 56 + 24 = 80 is 80 - 56 = 24.

More exercises in this module

• Inverse Operations: Check Your Answers (Ex. 2)

• Estimating Sums and Differences (Ex. 2)

• Word Problems: Addition and Subtraction (Ex. 3)

• Mental Addition and Subtraction (Ex. 1)

• Inverse Operations: Check Your Answers (Ex. 3)

• Word Problems: Addition and Subtraction (Ex. 2)