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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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Select the correction.
The 2 should be turned into 12 without changing any other digits.
The 2 should be turned into 12 without changing any other digits.
The 2 ones should regroup from the 7 tens to make 6 tens and 12 ones.
The 2 ones should regroup from the 7 tens to make 6 tens and 12 ones.
The 2 ones should regroup from the 7 tens to make 0 tens and 12 ones.
The 2 ones should regroup from the 7 tens to make 0 tens and 12 ones.
The 2 ones should regroup from the 3 tens to make 2 tens and 12 ones.
The 2 ones should regroup from the 3 tens to make 2 tens and 12 ones.
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