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Whole Number Addition and Subtraction
3.4(A) Addition & Subtraction (Skills)
3.4(A) Addition & Subtraction (Skills)
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7 + 7 is 14, so the sum should be 1,114.
7 + 7 is 14, so the sum should be 1,114.
Only the one '1' should be written in the tens, so the sum should be 14.
Only the one '1' should be written in the tens, so the sum should be 14.
7 + 7 = 14, so the 1 ten should be regrouped to the 11 tens.
7 + 7 = 14, so the 1 ten should be regrouped to the 11 tens.
The 1 in the tens should be regrouped to the 4 in the ones.
The 1 in the tens should be regrouped to the 4 in the ones.
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