#### Term 3 Symmetry Three and Five Marks

6th Standard

Reg.No. :
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Maths

Time : 01:00:00 Hrs
Total Marks : 40
5 x 3 = 15
1. Draw the lines of symmetry for an equilateral triangle, a square, a regular pentagon and a regular hexagon and also find the number of lines of symmetry.

2. Draw the reflection image of the following figures about the given line.

3. A man-hole cover of a water sump is in square shape.
i) In how many ways we can fix that to close the sump?
ii) What is its order of rotational symmetry

4. Translate the given pattern and complete the design in the rectangular strip.

5. Find the alphabets in the box which have
i) No line of symmetry
ii) Rotational symmetry
iii) Reflection symmetry
iv) Reflection and rotational symmetry

 A M P E D I K O N X S H U V W Z
6. 5 x 5 = 25
7. Shade one square so that it possesses
i) One line of symmetry
ii) Rotational symmetry of order 2

8. Draw the following :
i) A figure which has reflection symmetry but no rotational symmetry.
ii) A figure which has rotational symmetry but no reflection symmetry.
iii) A figure which has both reflection and rotational symmetry.

9. Find the line of symmetry and the order of rotational symmetry of the given regular polygons and complete the following table and answer the questions given below

 Shape Equilateral triangle Square Regular pentagon Regular hexagon Regular octagon Number of lines of symmetry Order of rotational symmetry

i) A regular polygon of 10 sides will have ______ lines of symmetry.
ii) If a regular polygon has 10 lines of symmetry, then its order of rotational symmetry is _______
iii) A regular polygon of 'n' sides has _______ lines of symmetry and the order of rotational symmetry is _______.

10. Colour the boxes in such a way that it posseses translation symmetry

11. Find ,the order of rotational symmetry by fixing the relevant sha e in different ways.