Determining Time Using Rounding Worksheet Template With Answer Key
ADVERTISEMENT
1
2Name:
Determining Time Using Rounding
Determine the answer by using rounding strategies.
A n s w e r s
6:25 + 2 hours = 8:25
When adding or subtracting time, it is often
5:00
Ex.
easier to round to the next hour first. In the
When rounded to 2 hours, we can
example below we can round 1 hour and 55
easily see that 6:25 + 2 hours is 8:25.
5:55
minutes up to 2 hours (5 minutes more).
But since we added 5 minutes, now
1.
we must take away 5 minutes.
6:50
6:25 + 1 hours and 55 minutes
2.
8:25 - 5 Minutes = 8:20
And now we know the elapsed time!
9:25
3.
10:20
Ex) 1:05 + 3 hours and 55 minutes =
5:00
4.
1) 4:05 + 1 hour and 50 minutes =
5:55
6:30
5.
2) 4:55 + 1 hour and 55 minutes =
6:50
9:25
6.
3) 6:35 + 2 hours and 50 minutes =
9:25
4:00
7.
4) 7:30 + 2 hours and 50 minutes =
10:20
7:40
5) 4:35 + 1 hour and 55 minutes =
6:30
8.
6) 7:30 + 1 hour and 55 minutes =
9:25
9:30
9.
7) 2:05 + 1 hour and 55 minutes =
4:00
7:05
10.
8) 4:50 + 2 hours and 50 minutes =
7:40
1:10
11.
9) 6:40 + 2 hours and 50 minutes =
9:30
1:10
10) 3:10 + 3 hours and 55 minutes =
7:05
12.
11) 4:05 - 2 hours and 55 minutes =
1:10
4:10
13.
12) 3:00 - 1 hour and 50 minutes =
1:10
4:40
14.
13) 8:00 - 3 hours and 50 minutes =
4:10
1:35
15.
14) 6:30 - 1 hour and 50 minutes =
4:40
4:25
15) 3:25 - 1 hour and 50 minutes =
1:35
16.
16) 7:20 - 2 hours and 55 minutes =
4:25
4:10
17.
17) 6:00 - 1 hour and 50 minutes =
4:10
5:10
18.
18) 9:05 - 3 hours and 55 minutes =
5:10
4:30
19.
19) 8:20 - 3 hours and 50 minutes =
4:30
5:40
20) 8:30 - 2 hours and 50 minutes =
5:40
20.
1-10 95 90 85 80 75 70 65 60 55 50
Math
6
11-20 45 40 35 30 25 20 15 10 5
0
ADVERTISEMENT
0 votes
Related Articles
Related forms
Related Categories
Parent category: Education