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    8.  Which shape do the following have?
                        a.   A blackboard                               b.  A page of the book

                        c.   A round clock                              d.   The surface of the book
                        e.   The wheel of a bicycle                     f.  A sandwich

                  9.  name the plane shape.
                        a.   It has four corners. Its opposite sides are equal. It is a ____________
                        b.   It has three sides and three corners. It is a ____________

                        c.   It is a closed figure. It has no corners. It is a ____________
                        d.   It has four equal sides and four corners. It is a ____________

                  10.  find and mark the corners in the figures. Then count how many are square, less than
                        square and more than square corners.

                        a.                       b.                       c.                       d.

                  11.  Look at the given figure. Circle (      ) the square corners, tick ( ) the
                        less than square corners and cross out ( ) the more than square

                        corners.

                TypeS of lineS

                There are two types of lines— straight and curved.

                           Horizontal line

                         Vertical line           Slanting
                                                   line

                                   Straight lines                                        Curved lines

                 When you hold a piece of thread tightly,              When you hold a piece of thread loosely,
                 you get a straight line.                              you  can get  a curved  line. These are

                 The straight  line  can  be  horizontal,              curved lines.
                 vertical or slanting.
                Look at the border design of a sari.

                Which types of lines do you see in the border? Try to extend the design.

                       132       Mathematics 3

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