Mathematics
Grade-1
Easy
Question
Find the missing number in the equation 30 – ___ = 0
- 10
- 30
- 40
- 20
The correct answer is: 30
To find the missing number, count back from 30 till we get 0.
30, 20, 10, 0
We counted back 3 tens which is 30.
So, the missing number is 30.
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