Lesson 4

Bouncing Ball

Est. Class Sessions: 4–5

Daily Practice and Problems

Teacher Notes
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TIMS Challenge

  1. 17 minutes per pound is about an hour for every 4 pounds; between 5 and 6 hours for 20 pounds (17 minutes per pound × 20 pounds = 340 minutes or 5 hours and 40 minutes)
  2. about 5:00 or 5:30
  3. 5 hours, 50 minutes

P. Cooking a Turkey

Roberto's mother put a turkey in the oven at 11:30. The instructions say that the turkey should cook about 17 minutes per pound. The turkey weighs 20 pounds.

  1. About how long should Roberto's mother cook the turkey?
  2. About what time will the turkey be ready?
  3. Roberto's mother decided that the turkey was ready at 5:20. How long did the turkey cook?