Unit 6, Lesson 11
Solve Problems Involving Time (Part 2)
Grade 3
Warm-up
What do you notice? What do you wonder?
Han ate his dinner before he caught a bus.
When he got off the bus, he had to hurry to get to band practice on time.
Activity 1
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For how many minutes was Han on the bus? Explain or show your reasoning.
The time Han got on the bus:
The time Han got off the bus:
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Draw the minute hand on the first clock to show that Elena waited for the bus for 32 minutes.
The time Elena started waiting:
The time Elena got on the bus:
Student Section Summary
We learned to tell and write time to the nearest minute. We solved addition and subtraction problems about time.
the time Han got on the bus:
the time Han got off the bus:
Here is 1 way to find out how much time Han spent on the bus:
- Identify the start and finish times shown on the clock: 5:42 and 6:37.
- Count up 3 minutes from 5:42 to 5:45, and then 15 minutes from 5:45 to 6:00.
- Count up 30 minutes from 6:00 to 6:30, and then 7 more minutes to 6:37.
- Add the counted-up minutes, , to get 55.
Han spent 55 minutes on the bus.