Mathematics
Grade-1
Easy
Question
40 - ___ = 10
- 20
- 10
- 40
- 30
The correct answer is: 30
To find the missing number use blocks to find the answer.
Take 4 tens, crossed 1 ten and 3 tens are left.
Hence 4 tens – 3 tens = 1ten
40 – 30 = 10
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