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    E:\Working\Orange_Education\TouchPad_Maths_4\Open_Files\Chap_09\Chap_09
                 \ 10-Nov-2025  Bharat Arora   Proof-8                                     Reader’s Sign _______________________ Date __________

                                                                                                21 st
                          Activity                                                             Century   #Experiential Learning
                                                                                                Skills

                    Measure the height and weight of any 6 students in your class and complete the table
                    given below.

                           Name of the Student           Height (in m and cm)           Weight (in kg and g)

                    Answer the following:

                      1.  How many children are taller than 1 metre?                                 _____________
                      2.  How many children are lighter than 30 kg?                                  _____________

                      3.  What is the height of the tallest child?                                   _____________

                      4.  How much shorter are you than the tallest child in your class?             _____________
                      5.  What is the weight of the heaviest child?                                  _____________

                MeTrIC SySTeM

                In  the previous  class, we
                have learnt about the
                units  for measuring  length,
                mass  and capacity. Metre
                (m), gram (g), and litre

                (L) are the  base  units  of
                length, mass  and  capacity
                respectively.

                There are also bigger and
                smaller units  made from
                these. These are formed by
                using prefixes with the base
                units. The prefixes and their

                values are shown alongside.

                This system of measurement is known as the metric system of measurement.

                       150       Mathematics 4

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