Expanded Form – 3rd

by Sherry McElhannon | Mar 29, 2022

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Rounding to the Nearest 100

by Sherry McElhannon | Mar 29, 2022

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Estimating and Rounding

by Sherry McElhannon | Mar 29, 2022

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Expanded Form – 4th

by Sherry McElhannon | Mar 29, 2022

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Adding 10s and 10s and 1s and 1s (Partial Sums)

by Sherry McElhannon | Mar 29, 2022

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