Page 138 - SK Year 5 Mathematics DLP
P. 138

Decades to years

                                                                            1
                 1                                              Convert 1   decades to years.
                                                                           2
                                                                  1
                                                                1   decades =          years
                                                                  2
                                                                  1               3     5
                                                                1   decades  = (  × 10) years
                                                                  2               2
                                                                                  1
                                                                               = 15 years
                                                                  1
                                                                1   decades  =  15  years
                                       Taman Sahabat              2
                                    Kuching, Sarawak was          1
                                                                  2
                                        built in 2005.          1   decades is 15 years.
                              1
                   It will be 1   decades old in 2020.
                              2



                 2
                                             Sepilok Orangutan
                                            Rehabilitation Centre
                                             was built in 1964.


                                       3
                            It will be 5   decades old in 2020.
                                       5
                       3
                     5   decades  =          years
                       5
                       3                                   3    2
                     5   decades  = (5 × 10) years + (  × 10) years
                       5                                   5
                                                           1
                                     = 50 years + 6 years                  1 decade = 10 years

                                     = 56 years                                    × 10
                       3                                                 decade(s)        year(s)
                     5   decades  =  56  years
                       5








                    Fill in the blanks with 1 and 10. Both
                    numbers can be used more than once.                      decade =        year




             130                     • Guide pupils to convert units using various methods.
                             4.2.1 (iv)  • Instil moral values such as love for the country.
                                     • Surf https://rb.gy/rywt0s
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