Page 137 - SK Year 5 Mathematics DLP
P. 137

Years to months


                  1 The picture on the right shows the age of
                      an oil painting.                                                       This painting
                                  1                                                            1
                      Convert  9   years to months.                                        is 9   years old.
                                                                                               6
                                  6
                        1
                      9   years =          months
                        6
                        1                                 1    2
                      9   years = (9 × 12) months + (  × 12) months
                        6                                 6
                                                           1
                                   = 108 months + 2 months

                                   = 110 months
                        1
                      9   years =  110  months
                        6
                        1
                      9   years is 110 months.
                        6


                         2
                  2   12   years =          months
                         3
                         2            38     4                          3         1 year = 12 months
                      12   years  = (     × 12) months
                         3             3                                38              × 12
                                       1                            ×    4       year(s)       month(s)
                                   = 152 months                       1 52
                         2
                      12   years  =  152  months
                         3



                  3                              1
                                               5   years =         months
                                                 2
                                    AQILAH                                 PETER

                            1             1    6                 1              1
                         5   years = (5   × 12) months         5   years = (5   × 12) months
                           2              2                      2              2
                                          1                                   11    6
                                     = (6 × 6) months                      = (  × 12) months
                                                                              2
                                     = 36 months                               1
                                                                           = 66 months





                                        Who calculated the correct answer? Why?





                                   • Ask pupils to make a family tree based on age using fractions of   129
                           4.2.1 (iii)
                                     years. Then, convert them to months.
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