Page 135 - SK Year 5 Mathematics DLP
P. 135

CONVERT UNITS OF TIME


                  Hours to minutes
                                                                   1
                                                         Convert   hour to minutes.
                  1                  This morning,                 2
                                    we are going to      1  hour  =        minutes
                                    exercise for half    2
                                       an hour.
                                                         1            1   30
                                                         2  hour  = (  × 60) minutes
                                                                     2
                                                                      1
                                                                    = 30 minutes

                                                         1
                                                         2  hour  =  30  minutes
                                                         1
                                                         2  hour is 30 minutes.


                                                        1
                              Duration for break time is   hour.
                                                        3                             1 hour = 60 minutes
                                    State this in minutes.
                                                                                            × 60
                                                                                   hour(s)         minute(s)

                        3
                  2 1   hours   =          minutes
                        4
                        3              3
                      1   hours   = (1   × 60) minutes
                        4              4
                                      7    15
                                    = (  × 60) minutes                         The minute hand
                                      4                                      moves from 12 to 1.
                                      1
                                    = 105 minutes
                                                                               hour =         minutes
                        3
                       1   hours  =  105  minutes
                        4



                                                                                     11    1
                                           FRACTION CLOCK                           12
                                                                                          12        1
                                                                                        11    1
                   1  Complete the label of fractions on the clock face.             10         2   6
                                                                                                    1
                   2   Paste the fraction clock in your book.                        9           3  4
                                                                                      8         4
                   3   Write three conversion of units of hours                   2     7     5
                      involving fractions.                                        3        6    5
                                             1
                            For example:   hour =            minutes                            12
                                            4
                                   • Guide pupils to convert units of time based on their experiences in their
                                     daily lives.                                                     127
                            4.2.1(i) • Provide an adequate clock face for all pupils for the  Smart Trail” activity.
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