Math · Age 7 · Addition & Subtraction
Inverse Operations – Exercise 3
Apply inverse operations to verify calculations.
Module
Addition & Subtraction
Age
Age 7
Duration
10 min
Questions
5
What's in this exercise
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Question 1
Multiple choice
Sara adds 56 + 34 and gets 90. Which check is correct?
Question 2
Multiple choice
If 93 – 57 = 36, what is 36 + 57?
Question 3
Multiple choice
Why do we use inverse operations?
Question 4
Sequence
Complete the sequence: 70, 60, 50, ?, 30
Question 5
True or false
10 + 7 = 17, so 17 – 7 = 10 is the inverse check.