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    E:\Working\Orange_Education\TouchPad_Maths_4\Open_Files\Chap_01\Chap_01
                 \ 10-Nov-2025  Bharat Arora   Proof-8                                     Reader’s Sign _______________________ Date __________

                    4.  Write the successor and predecessor of the following numbers.

                        a.  14,586      __________   __________           b.  32,008       __________   __________
                        c.  39,009      __________   __________           d.  69,897       __________   __________

                  5.  Arrange the following numbers as directed.

                        a.  28,500; 82,500; 52,800; 58,002; 39,542; 67,019 in ascending order.
                        b.  87,696; 37,852; 9,998; 3,705; 78,765; 98,677 in descending order.

                  6.  Write the 'greatest' number using the following digits only once.

                        a.  3, 4 and 8                 b.  7, 0 and 8                  c.  1, 3 and 9

                    7.  Write the greatest 5-digit number using the digits 8, 4, 7 and 3 (repetition of digits is allowed).

                  8.  Write the smallest and  the greatest 4-digit  numbers  using  the following  digits
                        (repetition of digits is allowed).

                                                                Smallest Number                greatest Number

                        a.   1, 2 and 3

                        b.   2, 9 and 5

                        c.   3, 1 and 0

                                                                                              Mental Maths

                Choose the correct option.                                                          21 st
                                                                                                   Century   #Critical Thinking
                                                                                                   Skills
                    1.  Which is the same as 70 tens?
                        a.  7 ones               b.  70 ones              c.  7 hundreds           d.  70 hundreds
                    2.  Ten thousand is a ________-digit number.

                        a.  four                 b.  five                 c.  six                  d.  seven

                    3.  Which number has 5 in the thousands place?
                        a.  85,420               b.  82,059               c.  8,72,500             d.  58,560

                    4.  Which number has the smallest value in the hundreds place?
                        a.  89,876               b.  76,589               c.  78,777               d.  29,094

                  5.  The successor of the greatest 4-digit number is

                        a.  10,000               b.  9,999                c.  9,998                d.  10,001
                  6.  Which of the following numbers lies between 1,234 and 4,321?

                        a.  1,023                b.  2,341                c.  4,325                d.  1,232

                       22        Mathematics 4

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