Page 70 - TouchPad Mathematics_Ver 1.0_C2
P. 70

E:\Working\Orange_Education\TouchPad_Maths_2\Open_Files\Maths_2_Chapter-04
               \ 14-Nov-2025     Bharat Arora   Proof-7                                    Reader’s Sign _______________________ Date __________





              9.  Write the number that comes between:

                    a.  324  _____  326            b.  871  _____  873             c.  521  _____  523

                    d.  616  _____  618            e.  791  _____  793             f.  496  _____  498

                    g.  711  _____  713            h.  649  _____  651             i.  799  _____  801




            PLACE VALUE


            Look at the numbers shown on the abacuses.












                 H    T   O                                           H   T    O

                 3     6    7     Digit      Place Value              7     3    6     Digit     Place Value

                                    7    7 ones or 7                                     6   6 ones or 6
                                    6    6 tens or 60                                    3   3 tens or 30
                                    3    3 hundreds or 300                               7   7 hundreds or 700


            What do you observe?

            The place value of a digit in a number depends upon its place in the number.



            Expanded Form of a Number

            The expanded form of a number is the sum of the place values of its digits.


            Look at the following numbers and their expanded forms.


              a.     H T O           Place                          b. H T O             Place

                     5 0 7           value                                2 6 9          value

                                        7                                                   9
                                       0                                                   60

                                     500                                                  200

                    Expanded form: 500 + 0 + 7                          Expanded form: 200 + 60 + 9

                    Short form: 507                                     Short form: 269



                   68        Mathematics 2
   65   66   67   68   69   70   71   72   73   74   75