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Mr. Alarm Clock. CALCULATE ELAPSED TIME. How is elapsed time calculated?. Click on the blue arrow to go to the explanation on the next slide. LET’S LOOK AT HOW TO SOLVE THIS…. Hours Minutes. + 55 105. 50. 60. -60 45. 45. +1. - PowerPoint PPT Presentation
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Mr. Alarm ClockCALCULATE ELAPSED TIME
How is elapsed time calculated?
Click on the blue arrow to go to the explanation
on the next slide.
45
+ 55105
2. From 9:00 to 9:55 is 55 minutes. Record on the chart. Add the minutes together.
1. From 8:10 to 9:00 is 50 minutes. Record on the chart.
LET’S LOOK AT HOW TO SOLVE THIS…
Hours Minutes
50
-6045+1
3. Every time you have a group of 60 minutes, you can regroup into one hour.
60
Now it is YOUR turn!• Remember to use your t-chart• You can use the judy clock at the center• You can use the clock worksheets to help you• You can discuss with your partner
– Explain your strategy to your partner– Have your partner explain it to you– Both of you solve the problem… then– Compare your answers
• Record your answers in your measurement workbook• Answer the time questions when you have finished the problems
in this presentation• Use the blue buttons to navigate
go back next slide
Click on the correct answer#1
SORRY… TRY AGAINCLICK ON THE BLUE BUTTON TO GO TRY AGAIN
CORRECT – RECORD YOU ANSWER
CLICK ON THE BLUE BUTTON TO GO TO THE NEXT SLIDE
Click on the correct answer #2
SORRY… TRY AGAINCLICK ON THE BLUE BUTTON TO GO TRY AGAIN
CORRECT – RECORD YOU ANSWER
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Click on the correct answer #3
SORRY… TRY AGAINCLICK ON THE BLUE BUTTON TO GO TRY AGAIN
CORRECT – RECORD YOU ANSWER
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Click on the correct answer #4
SORRY… TRY AGAINCLICK ON THE BLUE BUTTON TO GO TRY AGAIN
CORRECT – RECORD YOU ANSWER
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Click on the correct answer #5
SORRY… TRY AGAINCLICK ON THE BLUE BUTTON TO GO TRY AGAIN
CORRECT – RECORD YOU ANSWER
CLICK ON THE BLUE BUTTON TO GO TO THE NEXT SLIDE
Click on the correct answer #6
SORRY… TRY AGAINCLICK ON THE BLUE BUTTON TO GO TRY AGAIN
CORRECT – RECORD YOU ANSWER
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Click on the correct answer #7
SORRY… TRY AGAINCLICK ON THE BLUE BUTTON TO GO TRY AGAIN
CORRECT – RECORD YOU ANSWER
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Click on the correct answer #8
SORRY… TRY AGAINCLICK ON THE BLUE BUTTON TO GO TRY AGAIN
CORRECT – RECORD YOU ANSWER
CLICK ON THE BLUE BUTTON TO GO TO THE NEXT SLIDE
Click on the correct answer #9
SORRY… TRY AGAINCLICK ON THE BLUE BUTTON TO GO TRY AGAIN
CORRECT – RECORD YOU ANSWER
CLICK ON THE BLUE BUTTON TO GO TO THE NEXT SLIDE
Click on the correct answer #10
SORRY… TRY AGAINCLICK ON THE BLUE BUTTON TO GO TRY AGAIN
CORRECT – RECORD YOU ANSWER
CLICK ON THE BLUE BUTTON TO GO TO THE NEXT SLIDE
GREAT JOB!
Remember to record your
answers in your workbook!
CREDITS• Animations/Clip Art
– http://www.animationfactory.com/en/
• Clocks/Elapsed Time graphics from Saxon Math– http://www.haelmedia.com/html/mc_m4_002.html
