Page 85 - Fun with Mathematics 2
P. 85

MULTIPLICATION OF WEIGHT

               For multiplication of weight, multiply the weight of one object by the given

               number of objects. Remember that numbers in the ‘g’ cannot be more than 1000.

                 Multiply 21 kg 556 g by 3.                                Multiply 352 g by 5.

                              kg        g                                                        g

                              21  556                                                          352
                              ×          3                                             ×          5

                                4
                              6   668                                                   1    760
                                    4
               The product is 6  kg 668 g.                               The product is 1 kg 760 g.


                10  Multiply the following.

                      (a)   kg        g   (b)   kg            g   (c)   kg            g       (d)   kg        g

                             4      18 4            3       028             8       129             9       218

                            ×          2            ×          3            ×          4            ×          5





                      (e)   kg        g   (f)   kg           g        (g)   kg        g   (h)   kg            g
                                                             4
                            21      153             4 3    0 5              50      532             63      506
                            ×          6           ×           7            ×          6            ×          8







                11  Multiply the following.
                      (a)  3 kg 163 g by 2                            (b)  31 kg 623 g by 5

                                                                           4
                      (c)  6 kg 63 g by 3                             (d)  6 kg 292 g by 6
                                               4
                      (e)  12 kg 363 g by                             (f)  71 kg 29 g by 9

                12  Multiply the sum of 2 kg 213 g and 1 kg 251 g by 2.


                                                      4
                13  Subtract 3 kg 317 g from   kg 729 g and multiply the answer by 5.

                                                      4
                  4
                1   Subtract 2 kg 871 g from   kg 008 g and multiply the answer by 7.


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