Page 52 - Maths Class 04
P. 52

c.  Identity of multiplication is :


                      i.  0                    ii.  1                   iii.  2                  iv.  3

                 d.  The product of 842 and 100 is :


                      i.  842 00               ii.  842                 iii.  842000             iv.  8420


            2.  Fill in the blanks.

                 a.  Multiplication is a repeated _______________            .

                 b.  The answer of multiplication is called the _______________                .


                 c.  841 × _______________        = 841

                 d.  182 × 34 = 34 × _______________           .

                 e.  82 × 1000 = _______________          .


            3.  Write True      or False  .


                 a.  The product of two numbers cannot be zero.

                 b.  We can change the order of the numbers in multiplication.

                 c.  The numbers by which we multiply is called the product.


                 d.  The number which is multiplied is called the multiplicand.

                 e.  In 391 × 52, we first multiply 9 tens by 2 ones.


            4.  Multiply the following by expanded notation method.

                 a.  298 × 8                        b.  252 × 9                        c.  761 × 8


            5.  Solve the following.

                 a.                                b.                                 c.
                              3 0 4                             5 3 5                          5 8 7 9


                          ×         4                       ×          7                       ×         4





                 d.                                e.                                 f.
                          2 3 4 2                            2 9 8 7                           6 3 9 6

                          ×         6                       ×          3                       ×         4







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