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+ 1 hour and 55 minutes When rounded to 2 hours, we can easily  \nsee that 6:25 + 2 hours is 8:25 .  \nWhen adding or subtracting time, it is often But since we added 5 minutes, now we  \neasier to round to the next hour first. must take away 5 minutes.  \nIn the example above we can round 1 hour and 55 minutes up to 2 hours (5 minutes  \nmore) .  \n6:25 + 2 hours = 8:25 8:25-5 Minutes = 8:20  \nAnd now we know the elapsed time!  \nEx) 4:45 + 3 hours and 50 minutes = 8:35  \n1) 4:45 + 3 hours and 50 minutes =  \n2) 3:25 + 1 hour and 50 minutes =  \n3) 3:25 + 1 hour and 50 minutes =  \n4) 7:05 + 3 hours and 55 minutes =  \n5) 7:05 + 3 hours and 55 minutes =  \n6) 1:50 + 2 hours and 55 minutes =  \n7) 1:50 + 2 hours and 55 minutes =  \n8) 1:45 + 3 hours and 50 minutes =  \n9) 1:45 + 3 hours and 50 minutes =  \n10) 3:10 + 3 hours and 55 minutes =  \n11) 3:10 + 3 hours and 55 minutes =  \n12) 6:05 + 2 hours and 50 minutes =  \n13) 6:05 + 2 hours and 50 minutes =  \n14) 2:05 + 2 hours and 55 minutes =  \n15) 2:05 + 2 hours and 55 minutes =  \n16) 5:20 + 1 hour and 55 minutes =  \n17) 5:20 + 1 hour and 55 minutes =  \n18) 7:05 + 1 hour and 50 minutes =  \n19) 7:05 + 1 hour and 50 minutes =  \n20) 3:00 + 2 hours and 55 minutes =  \nAnswers  \nEx. 8:35  \n1.  \n2.  \n3.  \n4.  \n5.  \n6.  \n7.  \n8.  \n9.  \n10.  \n11.  \n12.  \n13.  \n14.  \n15.  \n16.  \n17.  \n18.  \n19.  \n20.  \nMath  \n[www.CommonCoreSheets.com](www.CommonCoreSheets.com)  \n2  \n1-10 11-20  \n95  \n45  \n90  \n40  \n85  \n35  \n80  \n30  \n75  \n25  \n70  \n20  \n65  \n15  \n60  \n10  \n55  \n5  \n50  \n0  \nDetermining Time Using Rounding  \nName: Answer Key  \n\n| Determine the answer by using rounding strategies.\u003Cbr>\u003Cbr>6:25 + 1 hour and 55 minutes\u003Cbr>When adding or subtracting time, it is often easier to round to the next hour first. In the example above we can round 1 hour and 55 minutes up to 2 hours (5 minutes more) .\u003Cbr>6:25 + 2 hours = 8:25\u003Cbr>When rounded to 2 hours, we can easily see that 6:25 + 2 hours is 8:25 . But since we added 5 minutes, now we must take away 5 minutes.\u003Cbr>8:25-5 Minutes = 8:20 And now we know the elapsed time!\u003Cbr>Ex) 4:45 + 3 hours and 50 minutes =  8:35 \u003Cbr>1) 4:45 + 3 hours and 50 minutes =  2:45 \u003Cbr>2) 3:25 + 1 hour and 50 minutes =  5:15 \u003Cbr>3) 3:25 + 1 hour and 50 minutes =  2:15 \u003Cbr>4) 7:05 + 3 hours and 55 minutes =  11:00 \u003Cbr>5) 7:05 + 3 hours and 55 minutes =  7:30 \u003Cbr>6) 1:50 + 2 hours and 55 minutes =  4:45 \u003Cbr>7) 1:50 + 2 hours and 55 minutes =  1:35 \u003Cbr>8) 1:45 + 3 hours and 50 minutes =  5:35 \u003Cbr>9) 1:45 + 3 hours and 50 minutes =  7:35 \u003Cbr>10) 3:10 + 3 hours and 55 minutes =  7:05 \u003Cbr>11) 3:10 + 3 hours and 55 minutes =  5:40 \u003Cbr>12) 6:05 + 2 hours and 50 minutes =  8:55 \u003Cbr>13) 6:05 + 2 hours and 50 minutes =  4:30 \u003Cbr>14) 2:05 + 2 hours and 55 minutes =  5:00 \u003Cbr>15) 2:05 + 2 hours and 55 minutes =  7:00 \u003Cbr>16) 5:20 + 1 hour and 55 minutes =  7:15 \u003Cbr>17) 5:20 + 1 hour and 55 minutes =  3:45 \u003Cbr>18) 7:05 + 1 hour and 50 minutes =  8:55 \u003Cbr>19) 7:05 + 1 hour and 50 minutes =  5:30 \u003Cbr>20) 3:00 + 2 hours and 55 minutes =  5:55  | Answers\u003Cbr>Ex.  8:35 \u003Cbr>1.  2:45  2.  5:15  3.  2:15  4.  11:00  5.  7:30  6.  4:45  7.  1:35  8.  5:35  9.  7:35  10.  7:05  11.  5:40  12.  8:55  13.  4:30  14.  5:00  15.  7:00  16.  7:15  17.  3:45  18.  8:55  19.  5:30 \u003Cbr>20. 5:55 |\n| --- | --- |\n\nMath  \n[www.CommonCoreSheets.com](www.CommonCoreSheets.com)  \n2  \n1-10 11-20  \n95  \n45  \n90  \n40  \n85  \n35  \n80  \n30  \n75  \n25  \n70  \n20  \n65  \n15  \n60  \n10  \n55  \n5  \n50  \n0  \nDetermining Time Using Rounding  \nName:  \nDetermine the answer by using rounding strategies.  \n6:25 + 1 hour and 55 minutes  \nWhen adding or subtracting time, it is often easier to round to the next hour first. In the example above we can round 1 hour and 55 minutes up to 2 hours (5 minutes more) .  \n6:25 + 2 hours = 8:25  \nWhen rounded to 2 hours, we can easily see that 6:25 + 2 hours is 8:25 . But since we added 5 minutes, now we must take ","cbCaimRltE5yGiVU","https://ap.wps.com/l/cbCaimRltE5yGiVU","pdf",50988,"English","# Determine the answer using rounding strategies\n## Rounding to the next hour first\n## Worked examples\n## Practice problems (1-20)\n## Answer key","[{\"question\":\"What rounding strategy is used to determine elapsed time?\",\"answer\":\"Round the minutes to the next hour first, solve using the rounded hours, then adjust by accounting for the minutes added or rounded up.\"},{\"question\":\"How is 6:25 + 1 hour and 55 minutes handled?\",\"answer\":\"Round 1 hour and 55 minutes up to 2 hours, compute 6:25 + 2 hours = 8:25, then subtract 5 minutes to get 8:20.\"},{\"question\":\"Where can the correct results for problems 1–20 be found?\",\"answer\":\"The document includes an “Answers” section that lists the expected time results for each problem.\"}]","Determining Time Using Rounding | PDF",1790799857]