Estimating 

Numerical Estimation Strategies 10b       

 

 

Worksheet #1: Please answer the questions below.

 

1.      Keishawn wants to ESTIMATE the difference of two temperatures. The daytime temperature was 85°F and the evening temperature was 27°F. What would be a GOOD ESTIMATE? Explain how you made your estimate.

 

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2.      Fidel wants to ESTIMATE how much candy he has. He has 66 Laffy Taffys and 41 lollipops. What would be a GOOD ESTIMATE? Explain how you made your estimate.

 

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3.      Melissa wants to ESTIMATE the number of raffle tickets sold at the school fair. The students sold 129 and the parents sold 410. What would be a GOOD ESTIMATE? Explain how you made your estimate.

 

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4.      Tammy wants to ESTIMATE the number of muffins the third grade ate. They ate 56 blueberry muffins and 72 corn muffins. What would be a GOOD ESTIMATE? Explain how you made your estimate.

 

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5.      Danielle wants to ESTIMATE the number of ribbons her class won at Field Day. The boys won 12 and the girls won 17. What would be a GOOD ESTIMATE? Explain how you made your estimate.

 

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6.      Donna wants to ESTIMATE the number of chairs she needs for a class party. There are

      79 girls and 82 boys who will attend. What would be a GOOD ESTIMATE? Explain how

      you made your estimate.

 

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7.      Michiko wants to ESTIMATE the difference between the lengths of two balls of string. One ball of string is 92 inches long. The other ball of string is 124 inches long. What would be a GOOD ESTIMATE? Explain how you made your estimate.

 

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8.      Carolyn wants to ESTIMATE the number of flowers sold at the school flower sale. 114 tulips and 215 roses were sold. What would be a GOOD ESTIMATE? Explain how you made your estimate.

 

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9.      Donald wants to ESTIMATE the number of cookies sold at the bake sale. 72 chocolate chip and 67 sugar cookies were sold. What would be a GOOD ESTIMATE? Explain how you made your estimate.

 

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10.  Miguel wants to ESTIMATE the number of baseball cards he has. He has 49 Yankees cards  and 22 Red Sox cards. What would be a GOOD ESTIMATE? Explain how you made your estimate.

 

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CMTReview Ó2002