Page 12 - Math Skill - 4
P. 12

10                                                                                                  Maths

          4. Write the following numbers in figures.

              (a)  Fifty thousand nine hundred seventy-seven
              (b)  Twenty-five thousand two hundred thirty-six
              (c)  Ninety-two thousand seven hundred eleven
              (d)  Four lakh twenty thousand three hundred thirty-four


        Place Value and Face Value

        The place value of a digit in a given number is its value due to its place or position in the
        number.
                    Place value of a digit = Face value of that digit × PositionValue of that digit

        Face value of a digit in a number is the digit itself.
        Place value and face value of 0 is always 0, wherever it may be.


              Let’s Attempt


        Example 1:  Find the place value and face value of each digit in number 562823.
        Solution:         L    TTh     Th    H     T    O
                                                                                           Place
                                                                  Face
                          5      6      2    8     2     3        value                    value
                                                                    3                     3 × 1 = 3
                                                                    2                   2 × 10 = 20
                                                                    8                  8 × 100 = 800

                                                                    2                 2 × 1000 = 2000
                                                                    6               6 × 10000 = 60000
                                                                    5              5 × 100000 = 500000

        Example 2:   Find the place value of 4 in 340735.                        L     TTh    Th     H     T    O
        Solution:      Here, 4 is at ten thousands place.

                       So, place value of 4 in 340735                             3     4      0     7     3     5
                              = Face value of 4 × position value of 4
                              = 4 × 10000 = 40000



                                                   Exercise 1.2


          1. Write the place value and face value of the encircled digits.

              (a)  1 7  2  8 9                   (b) 6  7  8 9 7                  (c)  6  7 8 3 5 6

              (d)  1 2 8  3  6 6                 (e) 8  1  0 3 7 8                (f) 3  0  7 3 2 2
          2. Find the place value and face value of each digit of the following numbers.

              (a)  73585                 (b)  840073              (c)  80306              (d) 508927
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