Question

Read the steps given below to solve 50 – 27 and fill the blanks.
Step 1: We _____ 7 to 50.
Step 2: We subtract 27 from the total calculated in Step 1.
Step 3: We ________ 7 from the difference calculated in Step 2 to get _____ as the answer.

• A. add, subtract, 23
• B. add, subtract, 24
• C. add, add, 23
• D. subtract, subtract, 23

Answer 1

The correct option is A add, subtract, 23

Let us solve 50 – 27 using compensation strategy.


So, in Step 1 we add 7 to 50 to get 57. In Step 2, we subtract 27 from 57 to get 30. In Step 3, we subtract 7 from 30 to get 23 as the answer.

Hence, Option C is correct.