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**Estimating Sums to the Nearest 10 and 100**

Copyright © 2010 Kelly Mott

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**Part 1:Estimating Sums to the Nearest Ten**

Copyright © 2010 Kelly Mott

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**Practice # 1: Round to the nearest ten. Estimate each sum.**

_ _ _ _ _ _ _ _ + + + + Steps: 1. Round each to the nearest 10. 2. Then add. Copyright © 2010 Kelly Mott

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**Practice # 2: Round to the nearest ten. Estimate each sum.**

_ _ _ _ _ _ _ _ + + + + Steps: 1. Round each to the nearest 10. 2. Then add. Copyright © 2010 Kelly Mott

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**Practice # 3: Round to the nearest ten. Estimate each sum.**

_ _ _ _ _ _ _ _ + + + + Steps: 1. Round each to the nearest 10. 2. Then add. Copyright © 2010 Kelly Mott

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**Practice # 4: Round to the nearest ten. Estimate each sum.**

_ _ _ _ _ _ _ _ + + + + Steps: 1. Round each to the nearest 10. 2. Then add. Copyright © 2010 Kelly Mott

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**Practice # 5: Round to the nearest ten. Estimate each sum.**

_ _ _ _ _ _ _ _ + + + + Steps: 1. Round each to the nearest 10. 2. Then add. Copyright © 2010 Kelly Mott

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**Part 2:Estimating Sums to the Nearest Hundred**

Copyright © 2010 Kelly Mott

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**Practice # 1: Round to the nearest 100. Estimate each sum.**

_ _ _ _ _ _ _ _ _ _ _ _ + + + + Steps: 1. Round each to the nearest 100. 2. Then add. Copyright © 2010 Kelly Mott

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**Practice # 2: Round to the nearest 100. Estimate each sum.**

_ _ _ _ _ _ _ _ _ _ _ _ + + + + Steps: 1. Round each to the nearest 100. 2. Then add. Copyright © 2010 Kelly Mott

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**Practice # 3: Round to the nearest 100. Estimate each sum.**

_ _ _ _ _ _ _ _ _ _ _ _ + + + + Steps: 1. Round each to the nearest 100. 2. Then add. Copyright © 2010 Kelly Mott

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**Practice # 4: Round to the nearest 100. Estimate each sum.**

_ _ _ _ _ _ _ _ _ _ _ _ + + + + Steps: 1. Round each to the nearest 100. 2. Then add. Copyright © 2010 Kelly Mott

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**Practice # 5: Round to the nearest 100. Estimate each sum.**

_ _ _ _ _ _ _ _ _ _ _ _ + + + + Steps: 1. Round each to the nearest 100. 2. Then add. Copyright © 2010 Kelly Mott

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Copyright © 2010 Kelly Mott

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