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G.CO.3 Hamilton Name:___________________________________ Period:______ 1 What does it mean “to carry a shape onto itself”? What types of symmetry are there? Aim: How do we define symmetry in terms of transformations? LINE SYMMETRY (or “REFLECTIONAL” SYMMETRY) What is the definition of Line Symmetry? A set of points (or a shape) has line symmetry if and only if there is a line such that the reflection through the line of each point of the shape is also a point of the shape. 1. 2. 3. 4. How many lines of symmetry? ______ How many lines of symmetry? ______ How many lines of symmetry? ______ How many lines of symmetry? ______ 5. 6. 7. 8. How many lines of symmetry? ______ How many lines of symmetry? ______ How many lines of symmetry? ______ How many lines of symmetry? ______ 9. 10. 11. 12.

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Page 1: mvahamilton.files.wordpress.com · Web viewExactly 2 lines of symmetry Exactly 4 lines of symmetry Exactly 4 lines of symmetry 18. Exactly One line of symmetry 19. Exactly One line

G.CO.3 Hamilton Name:___________________________________ Period:______ 1What does it mean “to carry a shape onto itself”? What types of symmetry are there?

Aim: How do we define symmetry in terms of transformations?

LINE SYMMETRY (or “REFLECTIONAL” SYMMETRY)

What is the definition of Line Symmetry?

A set of points (or a shape) has line symmetry if and only if there is a line such that the reflection through the line of each point of the shape is also a point of the shape.

1. 2. 3. 4.

How many lines of symmetry? ______

How many lines of symmetry? ______

How many lines of symmetry? ______

How many lines of symmetry? ______

5. 6. 7. 8.

How many lines of symmetry? ______

How many lines of symmetry? ______

How many lines of symmetry? ______

How many lines of symmetry? ______

9. 10. 11. 12.

How many lines of symmetry? ______

How many lines of symmetry? ______

How many lines of symmetry? ______

How many lines of symmetry? ______

Page 2: mvahamilton.files.wordpress.com · Web viewExactly 2 lines of symmetry Exactly 4 lines of symmetry Exactly 4 lines of symmetry 18. Exactly One line of symmetry 19. Exactly One line

G.CO.3 Hamilton Name:___________________________________ Period:______ 213. Draw in the lines of Symmetry for each shape below. Feel free to cut out the shape from a piece of paddy paper.

a) b) c) d)

e) f) g) h)

(Parallelogram) (Regular Hexagon)14. Shade it so it has: 15. Shade it so it has: 16. Shade it so it has: 17. Shade it so it has:

Exactly 1 Line of Symmetry

Exactly 2 lines of symmetry

Exactly 4 lines of symmetry

Exactly 4 lines of symmetry

18. Exactly One line of symmetry

19. Exactly One line of symmetry

20. Exactly Two lines of symmetry

21. Exactly Two lines of symmetry

22. Which letters of the English Alphabet have…

One line of symmetry?

Two lines of symmetry?

No lines of symmetry?


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