Page 55 - ICSE Math 4
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2.  Complete the given mul  plica  on            ×    1   2    3    4   5    6   7    8    9 10
                           grid.
                                                                       1                               7
                           Now,   fi nd the following products
                                                                       2                      10
                           using the mul  plica  on grid.
                                                                       3                                   24
                      (a)  6 × 7 = _________
                                                                       4        8        16                          40
                      (b)  5 × 9 = _________
                                                                       5                          30
                      (c)  3 × 6 = _________                           6            18                          54

                      (d)  4 × 8 = _________                           7                      35       49
                                                                       8        16
                      (e)  8 × 7 = _________
                                                                       9                                   72
                      (f)  10 × 9 = _________
                                                                       10                     50

                      3.  Fill in the blanks.
                           (a)  28 × 10 = ______         (b)  59 × 100 = ______         (c)  892 × 1,000 = ______

                           (d)  64 × ______ = 6,400  (e)  187 × ______ = 1,870  (f)  564 × ______ = 5,64,000

                      4.  Find the following products.

                           (a)  32 × 20            (b)  23 × 40           (c)  46 × 300          (d)  19 × 5,000

                      5.  Circle the correct answer.
                           (a)  73 × 100        =  730         7,300  73,000

                           (b)  350 × 10        =  3,500       350      35,000

                            (c)  108 × 1,000  =  10,800  1,080  1,08,000

                    Multiplication of Numbers (without carry over)


                    Example 4: Mul  ply the following numbers.

                                  (a) 24 by 12 (b) 234 by 22 (c) 132 by 213
                                                                                                                  T  O
                    Solu  on:     (a) Step 1:  Mul  ply the mul  plicand by the digit in the
                                                ones place of the mul  plier.                                     2   4
                                                                                                             × 1  2
                                                24 × 2 ones = 24 × 2 = 48
                                                                                                                  4   8

                                       Step 2: Mul  ply the mul  plicand by the digit in the                      T  O
                                                tens place of the mul  plier.
                                                                                                                  2   4
                                                24 × 1 ten = 24 × 10 = 240
                                                                                                                  ×  1  2
                                                Write it below 48.                                                4   8

                                                                                                             2 4 0

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