Mathematics
Grade-1
Easy
Question
Which equation shows the correct sum for 57 + 9 = ?
- 66
- 64
- 65
- 62
The correct answer is: 66
add ones 9 + 7 = 16.
16 has 1 ten 6 ones.
then add tens 5 tens + 1 ten = 6 tens
6 tens + 6 ones = 66.
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