Page 37 - Math 4
P. 37

Fundamental Operations                                                     Fundamental Operations


                                                                                        10
          4.  a)  The numbers in the circles have been added in pairs
                                                                                    15      17
                    and the sum of each pair is in the square between the
                    circles. Complete these puzzles.                              5     12     7

                          4                            14                          15


                                                 20                                      24


                 8                7                             4          3



               b) Let's add as shown and complete the addition puzzles.


                      +      6                  +            10            +            15


                       4     10                              16            5

                             11    12           8     15                         14     17


          5.  a)  60 girls and 45 boys how many children altogether?

               b)  150 men and 125 women how many people altogether?
               c)  Among 350 students, 150 are girls. Number of boys are

               d)  The total cost of a book and a pen is Rs 260 and the cost of the pen is
                    Rs 100. The cost of the book is

          6.  a)  By how much is Rs 500 more than Rs 350?

               b)  By how much is Rs 450 less than Rs 750?

               c)  How  many rupees are needed  to add with  Rs 725  to make it
                    Rs 1000?

               d)  How many rupees do you need to spend from Rs 500 to remain Rs 175
                    with you?

          7.  Let's jump forward on the number line and add or subtract as shown.




           0   1   2   3   4   5  6   7   8   9  10  11 12 13 14 15 16 17 18 19 20 21
                                             7 + 8 =
                                                    35
                                                    35
                                                                           e
                                                                            l in Mathematics - Book 4
                                                                           c
                                                                 v
                                                                  edanta
                                                                         Ex
         Approved by Curriculum Development Centre, Sanothimi, Bhaktapur  vedanta Excel in Mathematics - Book 4
   32   33   34   35   36   37   38   39   40   41   42