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How do you know how long something takes? For example:

How do you know how long something takes? For example: The bus driver got to my house at 8:30 am. He had already been driving for 2 hours when he got to my house. When did the bus driver start driving?.

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How do you know how long something takes? For example:

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  1. How do you know how long something takes? For example: The bus driver got to my house at 8:30 am. He had already been driving for 2 hours when he got to my house. When did the bus driver start driving?

  2. In this lesson, you will learn how to solve elapsed time word problems in whole hour intervals by using a number line.

  3. Mom put the cake in the oven at 4pm. The cake should cook for 45 minutes. When should she take it out of the oven? 45 minutes Change of time ? 4pm End time Start time

  4. 19 - 10 = 9

  5. Forgetting that the hour after 12:00 is 1:00 10:00am 11:00am 12:00pm 13:00pm 2:00pm 3:00pm 1:00pm

  6. Change of time A baby takes a two hour nap in the afternoon. If the baby goes to sleep at 1:10pm, what time will the baby wake up? End time Start time

  7. 1:10pm 2:10pm 3:10pm Start time End time

  8. The bus driver got to my house at 8:30 am. He had already been driving for 2 hours when he got to my house. When did the bus driver start driving? End time Change of time Start time

  9. 6:30am 7:30am 8:30am Start time End time

  10. In this lesson, you have learned how to solve elapsed time word problems in whole hour intervals by using a number line.

  11. The movie began at 3:15 pm. The movie lasted 3 hours. What time did it end?

  12. Write your own elapsed time word problem and ask a partner to solve for the unknown part.

  13. Jeremy finished playing basketball at 6:30 pm. He played for 4 hours. What time did he start playing?

  14. The puppy fell asleep at 10:45 pm. He slept for 3 hours. What time did the puppy wake up?

  15. 1) The clock shows 12:45pm. What time will it be in 6 hours?

  16. 2) Alex goes to bed at 6:20pm. Tiffany goes to bed 3 hours later. What time does Tiffany go to bed?

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