9 + 4 = 13. You would write the 3 in 13 in the ones column and then carry over the ten. This is to make sure each digit still has the right place value. Image caption, Now move to the tens column.
9 + 4 = 13. You would write the 3 in 13 in the ones column and then carry over the ten. This is to make sure each digit still has the right place value. Image caption, Now move to the tens column.
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