Skill 6F Two-Digit Subtraction with Regrouping For students who have a difficult time remembering when to borrow we use our extremely effective trick of - " if the
bottom number is bigger you borrow from your baby" - with the baby being the
number in the next column to the left. Sure, it sounds funny, but the "b"
"b" "b" repetition is easy to remember since students find this
humorous. The key here is that the student soon learns that when answering a subtraction
problem - they must first determine if the bottom number is bigger - if it is bigger then
regroup (borrow), if not, then just subtract. |
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Answer the two digit subtraction problem. | ||

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