Estimating

Numerical Estimation Strategies 10b       

         

 

Worksheet #4: Please answer the questions below.

 

 

1.      Kristen wants to ESTIMATE the difference of two temperatures. The temperature inside her house was 73°F.  The temperature in her backyard was 54°F. What would be a GOOD ESTIMATE? Explain how you made your estimate.

 

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2.      Jack wants to ESTIMATE how many books he has. He has 74 picture books and 38 chapter books. What would be a GOOD ESTIMATE? Explain how you made your estimate.

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3.      Shawn wants to ESTIMATE the number of people at the picnic. There are 65 adults and 138 children at the picnic. What would be a GOOD ESTIMATE? Explain how you made your estimate.

 

 

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CMTReview Ó2002 

 

4.      There were 346 ride tickets and 172 raffle tickets sold at the school fair.  Joey wants to ESTIMATE the difference between the amount of the two kinds of tickets sold.   What would be a GOOD ESTIMATE? Explain how you made your estimate.

 

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5.      Amber wants to ESTIMATE the number of points scored during the football game. The Bears scored 28 points and the Giants scored 14 points. What would be a GOOD ESTIMATE? Explain how you made your estimate.

 

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6.      Fernando wants to ESTIMATE the number of rolls he needs for his picnic. He needs 56 hot dog rolls and 63 hamburger rolls. What would be a GOOD ESTIMATE? Explain how you made your estimate.

 

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7.      Luis wants to ESTIMATE the amount of tape he has. One roll of tape is 125 inches long.  The other roll of tape is 73 inches long. What would be a GOOD ESTIMATE? Explain how you made your estimate.

 

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CMTReview Ó2002 

 

8.      Carmen wants to ESTIMATE the number of flowers in the bouquet. There are 13 red flowers and 26 white flowers. What would be a GOOD ESTIMATE? Explain how you made your estimate.

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9.      Katherine wants to ESTIMATE the total amount of white milk and chocolate milk sold in the cafeteria during one week. There were 314 cartons of white milk sold and 275 cartons of chocolate milk sold. What would be a GOOD ESTIMATE? Explain how you made your estimate.

 

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10.  Melanie wants to ESTIMATE the number of stickers she has. She has 83 smelly stickers and 49 shiny stickers. What would be a GOOD ESTIMATE? Explain how you made your estimate.

 

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CMTReview Ó2002