Common Core Sheets 

Number and Operations in Base Ten 
Use place value understanding and properties of operations to perform multidigit arithmetic. 
1. Use place value understanding to round whole numbers to the nearest 10 or 100. 
Example (Hover to Enlarge) 
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Completing Multiplication Sentences 3nbt1
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Solve the multiplication problem. 

Estimating Products (×) 3nbt1
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Each worksheet has 10 problems estimating an answer.
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Finding Rounding Amount 3nbt1
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Each worksheet has 20 problems finding a number that rounds to another number.
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Rounding to Hundreds with Numberline 3nbt1
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Each worksheet has 10 problems rounding a number to the nearest 100 with a numberline.
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Rounding to Tens with Numberline 3nbt1
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Each worksheet has 10 problems rounding a number to the nearest 10 with a numberline.
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Rounding to Tens & Hundreds 3nbt1
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Each worksheet has 20 problems rounding a number to the nearest 10 or 100.
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