How to Tell Time

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# How to Tell Time - PowerPoint PPT Presentation

How to Tell Time. Ms. Leonard’s Class October 27, 2009. What a Clock Looks Like. Clocks have two hands, a big hand and a small hand. The big hand tells time in minutes. The small hand tells time in hours. What Do the Numerals Mean?. A clock has twelve numerals, 1-12.

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## PowerPoint Slideshow about ' How to Tell Time' - jaime-sandoval

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Presentation Transcript

### How to Tell Time

Ms. Leonard’s Class

October 27, 2009

What a Clock Looks Like
• Clocks have two hands, a big hand and a small hand.
• The big hand tells time in minutes.
• The small hand tells time in hours.
What Do the Numerals Mean?
• A clock has twelve numerals, 1-12.
• Each one represents five minutes.
• Twelve numerals x 5 minutes means that there are 60 minutes in one hour.
Past or to the Hour?
• If the minute hand is in the red region, it means that time is being told past the hour (the hour just started).
• If the minute hand is in the green region, time is being told to the hour (a new hour is approaching).
How the Clock Works
• The clock can be split into quarters and halves.
• If the big hand points at the 6, 30 minutes has passed (half of 60).
• If the big hand points at the 3, 15 minutes has passed (half of 30).

30 minutes has passed

15 minutes has passed

How the Clock Works Continued
• If the big hand is at the 9, 45 minutes has passed (30 minutes + 15 more since it’s another quarter hour).

This youtube clip walks you through how to tell time and has many examples. Check it out!

Lets Look at Some Examples…

Example 1:

The big hand is pointing at the 1, meaning 5 minutes has passed. The little hand is on the 12 meaning the hour is 12 o’clock. The time is then 12:05.

Examples Cont.

Example 2:

The big hand is pointing at the 12 meaning it is on the hour, 0 minutes have passed. The little hand is on the 2, meaning the hour 2 o’clock. The time is 2:00.

Examples Cont.

Example 3:

The big hand is just about on the 1 meaning a little under 5 minutes has passed. The small hand is on the 5 meaning the hour is 5 o’clock. The time is roughly 5:04.

Examples Cont.

Example 4:

The big hand is on the 5 meaning that 25 minutes has passed (count by 5’s until you reach numeral 5). The little hand is on 10 meaning the hour is 10 o’clock. The time is 10:25.

Final Example

Example 5:

The big hand is just a little past the 5 meaning a little more than 25 minutes has passed (count by 5’s until you reach numeral 5). The little hand is on the 9 meaning the hour is 9 o’clock. The time is roughly 9:26.

Review
• The big hand tells time in minutes.
• The small hand tells time in hours.
• A clock has twelve numerals, 1-12.
• Each one represents five minutes.
• Twelve numerals x 5 minutes means that there are 60 minutes in one hour.
• If the big hand points at the 6, 30 minutes has passed (half of 60).
• If the big hand points at the 3, 15 minutes has passed (half of 30).
Web Sources
• Pictures from: http://www.elmhdy.com/cliparts/clipart/time/clock_clip_art.jpg
• "Tell the Time in English." YouTube. Web. 14 Oct 2009. <http://www.youtube.com/watch?v=3icBxO6Wjz0>.