Page 155 - SK Year 5 Mathematics DLP
P. 155

Decades and years

                  1    The following diagram shows the reign of the Malacca Sultanate.
                      Sultan Muzaffar        Sultan       Sultan Alauddin        Sultan
                            Shah         Mansur Shah        Riayat Shah      Mahmud Shah


                          1                9                  1
                        1   decades      1   decades        1  decades         23 years
                         5                 10                10
                              Source: https://rb.gy/02uepq
                       a  Calculate the total reign of Sultan Muzaffar Shah and
                           Sultan Mansur Shah.
                            1                9
                          1   decades + 1   decades =              decades
                            5                10
                            1                9                1 × 2                9
                          1   decades + 1   decades = 1              decades + 1   decades
                            5                10               5 × 2                10
                                                              2                 9
                                                            = 1   decades + 1   decades
                                                              10               10
                                                               11
                                                            = 2   decades
                                                              10
                                                                            11
                                                            = 2 decades +       decades
                                                                            10
                                                                              1
                                                            = 2 decades + 1   decades
                                                                             10
                                                               1
                                                            = 3   decades
                                                              10

                            1                9                  1
                          1   decades + 1   decades  =  3    decades
                            5               10                  10
                          The total reign of Sultan Muzaffar Shah and Sultan Mansur Shah
                                1
                          is 3   decades.
                               10

                       b   Calculate the reign of the last two sultans.
                            1
                          1   decades + 23 years =             years
                            10
                            1                11                          1 1 years
                          1   decades = (       × 10) years
                            10               10                       + 23 years
                                           = 11 years                    34 years
                            1
                          1   decades + 23 years =  34  years
                            10
                          The reign of the last two sultans is 34 years.



                                   • Discuss the history of the Malacca Sultanate in ancient times.    147
                           4.3.1 (iv)
                                     Instil the moral value of love for the country.
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