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C11 time
This document provides information about telling time and includes examples of converting between 12-hour and 24-hour clocks. It discusses counting time in seconds and minutes, solving word problems involving time, and gives examples such as determining the duration of a movie marathon from start and end times. Learning outcomes covered include telling time in seconds, using the 24-hour clock, and solving word problems related to time.
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C11 time
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- 2. TimeTime 2 Chapter Learning OutcomesChapterLearning Outcomes Telling time in seconds Understanding and using the 24-hour clock Solve word problems related to time
- 3. TimeTime Time In SecondsTimeIn Seconds There are three hands on this clock. 3 This is the hour hand. This is the minute hand. This is the second hand.
- 4. TimeTime Time In SecondsTimeIn Seconds Use a stopwatch to see what you can do in 1 second! 4 I can recall that 1 hour = 60 minutes. Well, 1 minute = 60 seconds! We use s to stand for seconds.
- 5. TimeTime Time In SecondsTimeIn Seconds 5 3.00 p.m. 3.01 p.m. after 30 s after 30 s
- 6. TimeTime The 24-hour ClockThe24-hour Clock What is the time shown on the clock? 6 9.30 a.m. Nine thirty a.m. Using 12-hour clock 09 30 Zero nine thirty hours Using 24-hour clock
- 7. TimeTime The 24-hour ClockThe24-hour Clock 7 What is the time shown on the clock? 10.00 p.m. Ten p.m. Using 12-hour clock 22 00 Twenty-two hundred hours Using 24-hour clock
- 8. TimeTime The 24-hour ClockThe24-hour Clock 8
- 9. TimeTime ExampleExample 9 12-hour clock 24-hourclock 4.30 a.m. 17 20 3.15 p.m. 02 05 Noon 21 55 12.40 p.m. 05 05 Fill in the blanks. 04 30 5.20 p.m. 15 15 2.05 a.m. 12 00 9.55 p.m. 12 40 5.05 a.m.
- 10. TimeTime Word ProblemsWord Problems Ariannestarted reading the newspaper at 18 00. She finished reading at 19 20. How long did she take to read the newspaper? 10 I can solve this using a time line. She took 1 h 20 min.
- 11. TimeTime Word ProblemsWord Problems Justinfinished cooking his lunch at 13 45. He took 2 h 10 min to cook. At what time did he start cooking his lunch? 11 He started cooking at 11 35. Count backwards on the time line.
- 12. TimeTime ExampleExample Andy took aflight from Melbourne to Singapore which lasted 9 h 30 min. He stopped in transit for 2 h before taking a connecting flight to Penang for 1 h 15 min. If he landed at 08 30 on Tuesday, when did he leave Melbourne? 12 He left Melbourne at 19 45 on Monday.
- 13. TimeTime ExampleExample Jermaine started watchinga movie marathon at 19 30. He finished watching the movies at 02 45 the following day. How long was the movie marathon? 13 4 h 30 min + 2 h 45 min = 6 h 75 min = 7 h 15 min The movie marathon lasted 7 h 15 min.
- 14. TimeTime 14 Reference -Reference -TextbooksTextbooks Learning Outcomes Telling time in seconds 4B Pg 81 – 85 4B Pg 64 – 67 Understanding and using the 24- hour clock 4B Pg 86 – 89 4B Pg 68 – 71 Solve word problems related to time 4B Pg 89 – 97 4B Pg 72 – 76