Subtracting two-digit numbers without regrouping (example 2) | 2nd grade | Khan Academy
2:20
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Subtracting two-digit numbers without regrouping (example 2) | 2nd grade | Khan Academy
Sal subtracts 31 from 64 by thinking about tens and ones. Watch the next lesson: https://www.khanacademy.org/math/cc-2nd-grade-math/cc-2nd-add-subtract-100/cc-2nd-sub-two-dig-intro/v/regrouping-to-subtract-one-digit-number?utm_source=YT&utm_medium=Desc&utm_campaign=2ndgrade Missed the previous lesson? https://www.khanacademy.org/math/cc-2nd ...
85.6K viewsAug 14, 2017
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