Page 77 - Fun with Mathematics 2
P. 77

MULTIPLICATION OF LENGTH


                                                                                                          4
                                                                                             4
                                  4
                     Multiply 1  m 56 cm by 3.                          Multiply 132 m  5 cm by  .
                                m        cm                                            m       cm
                                1 4      56                                            132     4 5

                                ×          3                                          ×          4

                                4
                                3        68                                            529  80

                                        4
                    The product is  3 m 68 cm.                          The product is 529 m 80 cm.

                10  Multiply the following.


                      (a)    m       cm       (b)    m       cm       (c)    m      cm        (d)    m       cm
                            2        36             3        18             11       72             12       18

                            ×          4            ×          5            ×         6             ×         7







                      (e)    m       cm       (f)    m      cm        (g)    m       cm       (h)    m       cm
                                                     4
                            13       53            1        4 5             16       5 4            13       51

                            ×         8            ×          9             ×         6             ×         5






                      (i)    m      cm        (j)    m      cm        (k)    m       cm       (l)    m      cm

                           115      44             313      18              223      19            132      2 4
                           ×          2             ×         2             ×         3            ×          4







                      (m)    m        cm    (n)     m        cm       (o)    m       cm       (p)    m       cm
                                                    4
                             116      4 8           26       35             330      22             187      12

                             ×         5            ×          2            ×          3            ×         4








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