Page 85 - SK Year 5 Mathematics DLP
P. 85

Calculate the total mass of 100 similar
                  3
                                                      photo books based on the picture given.
                               Photo book
                                                         100 × 0.16 kg =          kg
                                                         100 × 0.16 = 16.0

                                                         100 × 0.16 kg =  16  kg

                                                      The total mass of 100 similar
                                                      photo books is 16 kg.


                                                                                         The value of
                  4 Calculate 1 000 multiplied             5   m     × 9.873 = 987.3       m is 100.

                      by 6.045.
                                                                      1 × 9.873  = 9.873
                      1 000 × 6.045 =
                                                                    10 × 9.873 = 98.73
                      1 000 × 6 . 0 4 5 = 6 045.0
                                                                  100 × 9.873 = 987 3 .
                      1 000 × 6.045 =  6 045
                                                               1 000 × 9.873 = 9 873.0

                                                               100  × 9.873 = 987.3



                   To MULTIPLY, shift the decimal point          n × 56.241 = 5 624.1
                               to the RIGHT.                     p × 478.239 = 478 239
                      × 10        one decimal place
                      × 100      two decimal places                       What are the
                      × 1 000   three decimal places                   values of n and p ?







                1  Multiply.
                    a  4 × 5.6 =               b  57 × 94.1 =             c  8 × 12.65 =

                    d  64 × 982.03 =           e  31 × 98.276 =          f  87 × 103.064 =

                    g  10 × 2.95 =             h  100 × 92.851 =          i  1 000 × 204.643 =

                2  What are the values of q?

                    a  q × 74.376 = 743.76     b  q × 836.092 = 836 092





                             1.1.2  • Conduct the activity by showing simple examples of multiplication   77
                                   • Beri penekanan bahawa nilai yang melibatkan 0 pada nilai tempat
                             2.2.3
                             (i), (ii)  of decimals involving one decimal place.
                                     mesti ditulis apabila mencerakinkan nombor kepada nilai tempat.
                                   • Encourage pupils to vary the calculation methods to multiply.
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