Math 3.4

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The document discusses symmetry in shapes. It defines line symmetry as a line that divides a shape into two mirror image halves. Rotational symmetry is when a shape remains the same after being rotated less than 360 degrees around a fixed point. Students will create shapes with different types of symmetry - rotational, linear, and no symmetry - and identify the number of possible rotations for shapes with rotational symmetry.

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$Standard: G.4 Teaching Point(s): By the end of the lesson students will be able to create 3 shapes with rotational symmetry, 3 shapes with linear symmetry, 3 shapes with no symmetry.$

What is a line of symmetry? ,[object Object],[object Object]

What is rotational symmetry? ,[object Object],[object Object]

We Do ,[object Object],[object Object],[object Object]

Get all the NCERT solutions for class 9 mathematics at Extramarks. Students studying with NCERT Textbook to study Maths, then you must come across the question papers. Once you have finished the lesson, you must be looking for a solution to these exercises. Extramarks provides complete NCERT Solutions for CBSE Lines and Angles for Class 9 question paper in one place. Visit the Extramarks site for more modules and subjects for NCERT solutions.

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Math 3.4

1. Standard: G.4 Teaching Point(s): By the end of the lesson students will be able to create 3 shapes with rotational symmetry, 3 shapes with linear symmetry, 3 shapes with no symmetry.

6. No Symmetry

Math 3.4

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