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    E:\Working\Focus_Learning\Math_Genius_3_(11-09-2024)\Open_Files\CHAP_01
                 \ 11-Sep-2024  Surender Prajapati   Proof-4                                  Reader’s Sign _______________________ Date __________

                           Practice time 1g

                  1.  Write the roman numerals for each of the following numbers.

                       (a)  16                  (b)  25                  (c)  39                 (d)  27

                  2.  Write the Hindu-arabic numerals for each of the following.

                       (a)  XVIII               (b)  XXIX                (c)  XXXVII             (d)  XXXIV
                  3.  Fill in the blanks:

                       (a)  The Roman numeral for 26 is __________.

                       (b)  The successor of XXX is ____________.
                       (c)  The predecessor of 20 in Roman numeral is _______.

                       (d)  The greatest 1-digit number in Roman numeral is ___________.
                       (e)  When we add V to X and then subtract I from the number, we get _______.

                          Encapsulate
                      math
                                                             NUmberS UP tO 9999

                                 Place Value of a Number                                Face Value of a Number
                   • Value of each digit in a number                      Face value is the actual value of the digit in a number
                   •  Multiply the digit with 1000, if it is in the thousands place.  example: Face value of 4 in 485 is 4.
                   •  Multiply the digit with 100, if it is in the hundreds place.
                   •  Multiply the digit with 10, if it is the tens place.                 2-digit Numbers
                   •  Multiply the digit with 1, if it is in the ones place.  Smallest number 10      Greatest number 99
                     example: Place value of 4 in 485 is 400

                                                                                           3-digit Numbers
                                     expanded Form
                                                                          Smallest number 100     Greatest number 999
                   The number represented as the sum of place value of its
                   each digit.
                   example: 485 = 400 + 80 + 5                                             4-digit Numbers

                        Formation of greatest and Smallest Numbers        Smallest number 1000   Greatest number 9999

                   To form the  greatest number, arrange the  given digits  in
                   descending order.                                                    even and Odd numbers
                   example: 8643 is the  greatest 4-digit  number  formed
                   using the digits 6, 3, 8, 4.                           Every even number  ends  with  the  digit  2,  4,  6,  8 or 0.
                   To form the  smallest number, arrange the  given digits  in   example: 56, 742, 1230
                   descending order.                                      Every odd  number  ends  with  the  digit  1,  3,  5,  7 or 9.
                   example: 3468  is  the  smallest  4-digit  number  formed   example: 51, 637, 1459
                   using the digits 6, 3, 8, 4.

                  Mathematics-3                                                                                          25

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