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    E:\Working\Focus_Learning\Math_Genius_3_(11-09-2024)\Open_Files\CHAP_09
                 \ 12-Sep-2024                      Surender Prajapati   Proof-5              Reader’s Sign _______________________ Date __________

                  2.  Convert the following into cm.

                       (a)  5 m                 (b)  20 m                (c)  12 m 18 cm         (d)  15 m 10 cm

                  3.  Convert the following into m.

                       (a)  6 km                (b)  10 km               (c)  4 km 300 m         (d)  1 km 425 m

                  4.  Convert the following as directed and fill in the blanks.

                       (a)  500 cm = _____ m                             (b)  1562 cm = _____ m ____ cm

                       (c)  1610 m = _____ km ____ m                     (d)  2013 m = _____ km ____ m

                     www
                          MAths connect
                      Find where we use the devices, like odometer and speedometer. List some
                      of their applications in real life.

                  Measuring Mass (Weight)

                  The quantity of matter in an object is called its mass. Generally, we use the word weight
                  instead of mass. The weight of an object tells us how much heavy an object is.

                  By observing two objects, we can compare them to tell lighter or heavier.

                  A book is lighter than a bag                       A water bottle is heavier than an eraser

                  To find the weight of the objects, we use a balance and weights of different measures.

                  Nowadays, a variety of weighing machines are used for measuring weights exactly. Some

                  of them are as shown below.

                  Mathematics-3                                                                                         151

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