Page 149 - New Medley 4 Semester 1
P. 149

11.  Fill in the blanks.

              (a)  516 × 10 =                 (b)  279 × 100 =                 (c)  46 × 1000 =
              (d)  34 × 70 =                  (e)  90 × 900 =                  (f)  500 × 40 =

          12.  Fill in the blanks.

              (a)  21235 × 1 =                                  (b)  1 ×           = 40853

               (c)  52335 × 0 =                                 (d)  0 × 25964 =

               (e)          × 76048 = 0                          (f)  62315 × 23482 = 23482 ×
          13.  Estimating 83 × 524 by rounding to the nearest tens.

              Estimate:                ×            =



                                      Let us Learn Tables (16–20)


        Table of 16


         Steps                                 16’s                                Total      Table of 16


            1     16                                                                  16       1 × 16 = 16

            2     16 + 16                                                             32       2 × 16 = 32

            3     16 + 16 + 16                                                        48       3 × 16 = 48

            4     16 + 16 + 16 + 16                                                   64       4 × 16 = 64

            5     16 + 16 + 16 + 16 + 16                                              80       5 × 16 = 80

            6     16 + 16 + 16 + 16 + 16 + 16                                         96       6 × 16 = 96

            7     16 + 16 + 16 + 16 + 16 + 16 + 16                                   112       7 × 16 = 112


            8     16 + 16 + 16 + 16 + 16 + 16 + 16 + 16                              128       8 × 16 = 128

            9     16 + 16 + 16 + 16 + 16 + 16 + 16 + 16 + 16                         144       9 × 16 = 144

           10     16 + 16 + 16 + 16 + 16 + 16 + 16 + 16 + 16 + 16 160                        10 × 16 = 160


        Table of 17


         Steps                                 17’s                                 Total     Table of 17

            1     17                                                                  17      1 × 17 = 17

            2     17 + 17                                                             34      2 × 17 = 34



                                                                                                              147
   144   145   146   147   148   149   150   151   152   153   154