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Page 30 - Math Genius C2
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    E:\Working\Orange_Education\Math_Genius_2\Open_Files\Chap_01
                   \ 26-Sep-2025  Bharat Arora   Proof-10                                   Reader’s Sign _______________________ Date __________

                  2.  Circle (     ) the even numbers. One has been done for you.

                          11       12       13       14      15       16       17       18       19       20

                          21       22       23       24      25       26       27       28       29       30

                  3.  Circle (     ) the odd numbers. One has been done for you.

                          26       27       28       29      30       31       32       33       34       35

                          36       37       38       39      40       41       42       43       44       45

                  4.  Write the even numbers that come between:

                       (a) 30 and 40  ___________________________________________

                       (b) 61 and 73  ___________________________________________

                  5.  Write the odd numbers that come between:

                       (a) 50 and 60  ___________________________________________

                       (b) 79 and 91  ___________________________________________

                  ORDINaL NUMBERS

                  We use numbers to show the position

                  of things.

                  Here, 10 animals are in a queue to

                  perform in the circus. Let us look at

                  the positions of these animals.                             2nd       4th      6th      8th
                                                                            (second)  (fourth)  (sixth)  (eighth)
                  The numbers such as first, second,

                  third, ... which tell us the position of
                  an object in a collection, are called

                  ordinal numbers.                                      1st        3rd      5th      7th       9th    10th
                                                                       (first)    (third)  (fifth)  (seventh)  (ninth)  (tenth)
                  The numbers which are used to say

                  how many of something there are, such as                           Get it right!

                  one (1), two (2), three (3), four (4), ... are                    Forth        7      Fourth     3

                  called cardinal numbers.                                          Nineth       7      Ninth      3

                  28                                                                                    Mathematics-2

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