Estimating 

Numerical Estimation Strategies 10b       

 

Worksheet #3: Please answer the questions below.

 

 

1.      Kyle wants to ESTIMATE the difference of two temperatures. The temperature in Connecticut was 93°F.  The temperature in Alaska was 28°F. What would be a GOOD ESTIMATE? Explain how you made your estimate.

 

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2.      Fidel wants to ESTIMATE how many stamps he has collected. He has 137 stamps in one book and 213 stamps in another book. What would be a GOOD ESTIMATE? Explain how you made your estimate.

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3.      Marsha wants to ESTIMATE the number of animals at the zoo. There are 164 mammals and 58 reptiles. What would be a GOOD ESTIMATE? Explain how you made your estimate.

 

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4.   Jimmy wants to ESTIMATE the number of candy bars the third grade sold. They sold 256 Snickers and 112 Butterfingers. What would be a GOOD ESTIMATE? Explain how you made your estimate.

 

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5.      Anita wants to ESTIMATE the number of points scored during the basketball game. The blue team scored 58 points and the red team scored 72 points. What would be a GOOD ESTIMATE? Explain how you made your estimate.

 

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6.      Felipe wants to ESTIMATE the number of invitations he needs for his birthday party. He is inviting 16 girls and 33 boys. What would be a GOOD ESTIMATE? Explain how you made your estimate.

 

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7.      Luke wants to ESTIMATE the amount of rope he has. One piece of rope is 43 inches long.  The other piece of rope is 57 inches long. What would be a GOOD ESTIMATE? Explain how you made your estimate.

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8.      Cecilia wants to ESTIMATE the number of trees in the park. There are 47 oak trees and 68 evergreen trees. What would be a GOOD ESTIMATE? Explain how you made your estimate.

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9.      Rachel wants to ESTIMATE the number of pizzas sold in the cafeteria on Friday. There were 129 plain pizzas and 73 pepperoni pizzas sold. What would be a GOOD ESTIMATE? Explain how you made your estimate.

 

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10.  Melissa wants to ESTIMATE the number of rings she has. She has 19 gold rings and 6 silver rings. What would be a GOOD ESTIMATE? Explain how you made your estimate.

 

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CMTReview Ó2002