Numerical Estimation Strategies 10b
Worksheet #2: Please answer the questions below.
1. Kerrie wants to ESTIMATE the difference between two temperatures. The daytime temperature was 65°F and the nighttime temperature was 32°F. What would be a GOOD ESTIMATE? Explain how you made your estimate.
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2. Frank wants to ESTIMATE how many cookies he has. He has 48 chocolate chip cookies and 31 lemon drop cookies. What would be a GOOD ESTIMATE? Explain how you made your estimate.
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3. Mandy wants to ESTIMATE the number of circus tickets that were sold over the weekend. There were 239 tickets sold on Saturday and 187 tickets sold on Sunday. What would be a GOOD ESTIMATE? Explain how you made your estimate.
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CMTReview Ó2002
4. Taneisha wants to ESTIMATE the difference between the number of vanilla and chocolate cupcakes the third grade sold at the bake sale. They sold 63 vanilla cupcakes and 38 chocolate cupcakes. What would be a GOOD ESTIMATE? Explain how you made your estimate.
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5. April wants to ESTIMATE the number of prizes her class won at the school fair. The boys won 18 prizes and the girls won 21 prizes. What would be a GOOD ESTIMATE? Explain how you made your estimate.
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6. Fred wants to ESTIMATE the number of party hats he needs for a class party. There are
33 girls and 47 boys who will attend. What would be a GOOD ESTIMATE? Explain how
you made your estimate.
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7. Wendy wants to ESTIMATE the amount of ribbon she has. One spool of ribbon is 83 inches long. The other spool of ribbon is 138 inches long. What would be a GOOD ESTIMATE? Explain how you made your estimate.
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CMTReview Ó2002
8. Tracy wants to ESTIMATE the number of flowers her classmates planted in the school garden. 56 daisies and 117 daffodils were planted. What would be a GOOD ESTIMATE? Explain how you made your estimate.
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9. Rodney wants to ESTIMATE the difference between the number of sandwiches sold in the cafeteria during one week. 148 peanut butter and jelly sandwiches and 57 grilled cheese sandwiches were sold. What would be a GOOD ESTIMATE? Explain how you made your estimate.
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10. Michael wants to ESTIMATE the number of comic books he has. He has 35 Spiderman comic books and 42 Batman comic books. What would be a GOOD ESTIMATE? Explain how you made your estimate.
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CMTReview Ó2002