Math Resources

Time Vocabulary

1 day = 24 hours

1 hour = 60 minutes

1 minute = 60 seconds

1 quarter hour = 15 minutes

1 half hour = 30 minutes

A.M. = in between midnight and noon (ante meridiem)

P.M. = in between noon and midnight (post meridiem)

Quarter past = 15 past the current hour

Quarter till = 15 minutes until the next hour

Half past = 30 minutes past the current hour

Hour hand = little hand on the clock that shows what hour it is

(rotates around the clock 1 time in 12 hours)

Minute hand = the longer hand on the clock that shows minutes

(rotates around the clock 1 time in 60 minutes)

Elapsed time = the total amount of time that passes from the beginning time to the ending time 

Word in time notes:

*remember, quarter till, to, or before all mean 15 minutes before that hour.  You need to subtract 1 hour (go backwards one hour then they say)

Quarter = 15 minutes (¼  of an hour – ¼ of 60 = 15 minutes)

Quarter after/past always ends in :15

Quarter till/before/to always ends in :45 

Time/ Elapsed Time

Websites:

• http://www.harcourtschool.com/activity/elab2002/grade_3/018.html
• Print “Recording Sheet – Online” – [http://www.harcourtschool.com/activity/elab2002/resources/s_pdf/grade_3/3018.pdf]
• http://www.time-for-time.com/swf/myclox.swf
• Interactive Analog clock – shows digital time
• http://www.haelmedia.com/html/mc_m4_002.html
• Interactive Analog clocks show two different times, kids click on the elapsed time (multiple choice).
• http://www.quia.com/mc/66516.html
• Interactive matching.  Cards show two different digital times, and other cards show amount of time.  Match two cards. 
• http://www.teachingtime.co.uk/draggames/sthec3.html
• Telling time.  Match digital times with analog clocks.       

TRICKS for TIME

Finding Elapsed Time:

1.)   Write the start time.

2.)  Write the end time.

3.)  Count the hours.

4.)  Count the minutes.

Finding the End Time:

1.)   Write the start time.

2.)  Add the hours.

3.)  Add the minutes.

Finding the Start Time:

1.)   Write the end time.

2.)  Subtract the hours.

3.)  Subtract the minutes.