Mathematics
Grade-2
Easy
Question
Add 44 + 39. Use place-value blocks to find each sum. Regroup them if needed.
- 72
- 73
- 82
- 83
The correct answer is: 83
The sum of 44 and 39 can be written as
44 + 39=(10+10+10+10+4)+(10+10+10+9)
=10+10+10+10+10+10+10+(4+9)
(Re-grouping 13 as 13=10+3)
=10+10+10+10+10+10+10+10+3
=83
i.e.
Correct choice is 4.
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