34:40Subtracting with place value blocks (regrouping)
From the creator
Keep going! Check out the next lesson and practice what you’re learning: https://www.khanacademy.org/math/cc-2nd-grade-math/cc-2nd-add-subtract-1000/cc-2nd-sub-ones-tens-hundreds/e/subtract-within-1000--level-2 Sal uses place value blocks to regroup and subtract 438-272.
Published 2022-02-22 · Watch on YouTube ↗
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