Right here we’ll speak about including hours, minutes and seconds.
Let’s take into account some examples of including time.
Let’s take into account some examples:
one. Add 3 hours. 25 min. 15 seconds and 5 hours 20 Minutes. 25 seconds
We added hours, minutes and seconds respectively. |
2. Add 5 hours. 45 min. 12 seconds and seven hours 50 minutes 24 seconds
= 12 hours 1 hour + 35 minutes. + 36 seconds = 13 hours 35 minutes. 36 seconds |
12 hours 95 minutes. 36 seconds = 12 hours + (60 min. + 35 min.) + 36 sec. = 12 hours 1 hour + 35 minutes. + 36 seconds = 13 hours 35 minutes. 36 seconds |
3. Add 30 hours. 45 min. 45 seconds and 15 hours 35 minutes. 17 seconds
= 45 hours 1 hour 20 Minutes. 1 min. 11 seconds = 46 hours 21 minutes. 11 seconds |
45 hours 80 minutes. 71 seconds = 45 hours + (60 min. + 20 min.) + (60 sec. + 11 sec.) = 45 hours + 1 hour + 20 minutes. + 1 min. + 11 seconds = 46 hours 21 minutes. 11 seconds |
4. Add 24 hours. 30 min. 20 seconds and 18 hours 37 minutes. 54 seconds
= 42 hours 1 hour 7 minutes. 1 min. 14 seconds = 43 hours 8 minutes. 14 seconds |
42 hours 67 minutes. 74 seconds = 42 hours + (60 min. + 7 min.) + (60 sec. + 14 sec.) = 42 hours + 1 hour + 7 minutes. + 1 min. + 11 seconds + 14 seconds. = 43 hours 8 minutes. 14 seconds |
5. Add 5 hours 40 minutes and a pair of hours and quarter-hour.
Step I: add the minutes. 40 + 15 = 55 minutes Step II: add hours 5 + 2 = 7 hours |
Reply: 2 hours quarter-hour. |
6. Add 8 hours 35 minutes 40 seconds and 6 hours half-hour and 45 seconds.
Step I: Add the seconds. 40 + 45 = 85 seconds = 60 seconds + 25 seconds = 1 minute 25 seconds Step II: Write 25 beneath the second and transfer 1 to the minute. Step III: add the minutes. one + 35 + 30 = 66 minutes = 66 minutes + 6 minutes = 1 hour 6 minutes Step IV: Write 6 beneath minutes and transfer 1 to hours. Step V: Add the hours. one + 8 + 6 = 15 hours Write 15 beneath the clock. |
Reply: 15 hours 6 minutes 25 seconds |
4th Grade Math Actions
HOME PAGE WITHOUT Including Hours, Minutes and Seconds
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