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    E:\Working\Orange_Education\TouchPad_Maths_4\Open_Files\Chap_08\Chap_08
                     \ 10-Nov-2025  Bharat Arora   Proof-8                                    Reader’s Sign _______________________ Date __________

                                                                                                  Mental Maths

                                                                                                          21 st
                    Choose the correct option to find the missing term.                                 Century   #Critical Thinking
                                                                                                         Skills
                        1.  2, 4, 6, 8, ____

                           a.  10                    b.  9                    c.   12               d.  13

                       2.  2, 4, 8, _____

                           a.  10                    b.  12                   c.   32               d.  16

                               +         0         ×
                       3.
                             0   ×    ×    +    +    0

                                   0                        +                        +                         ×
                           a.                       b.                       c.                        d.
                                +     ×                  ×     0                   0    ×                   0    +

                                                                                                           HOtS

                                                                                                         21 st
                                                                                                       Century   #Creativity
                    1.  Name a geometrical figure that                                                  Skills
                       a.  does not have any line of symmetry.           b.  has one line of symmetry.
                       c.  has two lines of symmetry.                    d.  has more than two lines of symmetry.

                    2.  Games with mirrors

                       Where should we place the mirror in shape A to get the shapes given below?

                                      A                        1              2

                                                                                                3

                                      A               4               5                 6

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                                                                                         Symmetry and Patterns

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