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Subtracting two-digit numbers without regrouping (example 2) | 2nd grade | Khan Academy
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Sal subtracts 31 from 64 by thinking about tens and ones.
2nd grade on Khan Academy: Learn to see three-digit numbers as hundreds, tens, and ones
For free. For everyone. Forever. #YouCanLearnAnything
2nd grade on Khan Academy: Learn to see three-digit numbers as hundreds, tens, and ones
For free. For everyone. Forever. #YouCanLearnAnything