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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) 5:10 + 1 hour and 50 minutes = 7:00  \n1) 5:10 + 1 hour and 50 minutes =  \n2) 3:20 + 2 hours and 50 minutes =  \n3) 3:20 + 2 hours and 50 minutes =  \n4) 4:05 + 3 hours and 55 minutes =  \n5) 4:05 + 3 hours and 55 minutes =  \n6) 7:55 + 2 hours and 50 minutes =  \n7) 7:55 + 2 hours and 50 minutes =  \n8) 5:15 + 2 hours and 55 minutes =  \n9) 5:15 + 2 hours and 55 minutes =  \n10) 2:25 + 2 hours and 50 minutes =  \n11) 2:25 + 2 hours and 50 minutes =  \n12) 6:40 + 1 hour and 50 minutes =  \n13) 6:40 + 1 hour and 50 minutes =  \n14) 3:35 + 3 hours and 55 minutes =  \n15) 3:35 + 3 hours and 55 minutes =  \n16) 6:25 + 3 hours and 50 minutes =  \n17) 6:25 + 3 hours and 50 minutes =  \n18) 6:10 + 2 hours and 50 minutes =  \n19) 6:10 + 2 hours and 50 minutes =  \n20) 5:30 + 2 hours and 55 minutes =  \nAnswers  \nEx. 7:00  \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)  \n6  \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) 5:10 + 1 hour and 50 minutes =  7:00 \u003Cbr>1) 5:10 + 1 hour and 50 minutes =  6:10 \u003Cbr>2) 3:20 + 2 hours and 50 minutes =  6:10 \u003Cbr>3) 3:20 + 2 hours and 50 minutes =  5:35 \u003Cbr>4) 4:05 + 3 hours and 55 minutes =  8:00 \u003Cbr>5) 4:05 + 3 hours and 55 minutes =  3:00 \u003Cbr>6) 7:55 + 2 hours and 50 minutes =  10:45 \u003Cbr>7) 7:55 + 2 hours and 50 minutes =  1:40 \u003Cbr>8) 5:15 + 2 hours and 55 minutes =  8:10 \u003Cbr>9) 5:15 + 2 hours and 55 minutes =  5:20 \u003Cbr>10) 2:25 + 2 hours and 50 minutes =  5:15 \u003Cbr>11) 2:25 + 2 hours and 50 minutes =  2:45 \u003Cbr>12) 6:40 + 1 hour and 50 minutes =  8:30 \u003Cbr>13) 6:40 + 1 hour and 50 minutes =  6:25 \u003Cbr>14) 3:35 + 3 hours and 55 minutes =  7:30 \u003Cbr>15) 3:35 + 3 hours and 55 minutes =  1:50 \u003Cbr>16) 6:25 + 3 hours and 50 minutes =  10:15 \u003Cbr>17) 6:25 + 3 hours and 50 minutes =  6:40 \u003Cbr>18) 6:10 + 2 hours and 50 minutes =  9:00 \u003Cbr>19) 6:10 + 2 hours and 50 minutes =  5:05 \u003Cbr>20) 5:30 + 2 hours and 55 minutes =  8:25  | Answers\u003Cbr>Ex.  7:00 \u003Cbr>1.  6:10  2.  6:10  3.  5:35  4.  8:00  5.  3:00  6.  10:45  7.  1:40  8.  8:10  9.  5:20  10.  5:15  11.  2:45  12.  8:30  13.  6:25  14.  7:30  15.  1:50  16.  10:15  17.  6:40  18.  9:00  19.  5:05 \u003Cbr>20. 8:25 |\n| --- | --- |\n\nMath  \n[www.CommonCoreSheets.com](www.CommonCoreSheets.com)  \n6  \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","cbCaijU4kzhOyYAr","https://ap.wps.com/l/cbCaijU4kzhOyYAr","pdf",50992,"English","# Determine the answer by using rounding strategies\n## Worked example and rounding adjustment\n## Example and problems 1-20 with answers","[{\"question\":\"What rounding strategy is used for adding or subtracting time?\",\"answer\":\"Round to the next hour first when adding or subtracting time, then adjust for the minutes difference.\"},{\"question\":\"How is the extra 5 minutes handled in the main example?\",\"answer\":\"After rounding 1 hour 55 minutes up to 2 hours, subtract 5 minutes because the rounding added 5 minutes compared to the original time.\"},{\"question\":\"Where can the correct results for problems 1-20 be found?\",\"answer\":\"The answer key section lists the correct answers for the example and each numbered problem from 1 to 20.\"}]","Determining Time Using Rounding - Answer Key | PDF",1790799864]