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SAI International School
                                                      CLASS -IX

               Mathematics
               CHAPTER-1: NumberSystems

               HOME ASSIGNMENT-2


               SUBTOPIC :Irrational Numbers

                                                                3      7
                    1.  Find three rational numbers between       and  .
                                                                5      8
                    2.  Let X and y be rational and irrational numbers respectively. Are x + y and xy
                       irrational? Justify your answer by an example for each.

                    3.  Insert a rational number and an irrational number between the following :
                                                  2     1
                                                    and
                   (i)    0.15 and 0.16    (ii)     5    2      (iii)      2 and  3

                          4. Locate  13  on the number line













































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