Mathematics
Grade-1
Easy
Question
Find the missing number in the equation 70 – ___ = 20.
- 30
- 20
- 40
- 50
The correct answer is: 50
To find the missing number, count back from 70 till we get 20.
70, 60, 50, 40, 30, 20
We counted back 5 tens which is 50.
So, the missing number is 50.
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