L.4
시작한 시각 구하기
4분기 (4~6월)끝난 시각에서 걸린 시간만큼 거꾸로 세어 시작 시각 구하기
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Daniel Math Academy · Grade 3 MathFind the Start Time
Skill L.4 · Time · ★★☆ Medium · Quarter 4
- Name
- Date
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Find the start time.
Example
Start?
1 hour 45 minutes
End11:20 a.m.
Start time: 9:35 a.m.
Think: Count back the hour first: 10:20 a.m. Then count back 45 minutes: 20 minutes gets to 10:00, and 25 more makes 9:35.
- 1Start?2 hours 40 minutesEnd10:20 p.m.Start time:
- 2Start?3 hours 15 minutesEnd4:15 p.m.Start time:
- 3Start?1 hour 10 minutesEnd3:40 a.m.Start time:
- 4Start?1 hour 25 minutesEnd11:05 p.m.Start time:
- 5Start?2 hours 5 minutesEnd6:20 a.m.Start time:
- 6Start?2 hours 35 minutesEnd6:40 p.m.Start time:
Daniel Math Academy · Grade 3 MathAnswer Key
L.4 Find the Start Time · ★★☆ Medium
- 17:40 p.m.
- 21:00 p.m.
- 32:30 a.m.
- 49:40 p.m.
- 54:15 a.m.
- 64:05 p.m.