1. Reflections

2. Starter Objective: Recap on vertical & horizontal lines.

3. 7 6 5 4 3 2 1 0 1 2 3 4 5 6 7 Name the line Vertical lines are x = Horizontal lines are y = X = 5 X = -1 y = 6 y = 1 y = x

4. Lesson Objective: Reflect shapes in a given mirror line.

5. What letter would you get if you reflected each shape in its corresponding mirror line?

11. 7 6 5 4 3 2 1 0 1 2 3 4 5 6 7 Reflect this triangle in the line x = 5

12. 7 6 5 4 3 2 1 0 1 2 3 4 5 6 7

13. 7 6 5 4 3 2 1 0 1 2 3 4 5 6 7 Reflect this rectangle in the line x = 1

14. 7 6 5 4 3 2 1 0 1 2 3 4 5 6 7

15. 7 6 5 4 3 2 1 0 1 2 3 4 5 6 7 Reflect this hexagon in the line x = 4

16. 7 6 5 4 3 2 1 0 1 2 3 4 5 6 7

17. 7 6 5 4 3 2 1 0 1 2 3 4 5 6 7 Reflect this rectangle in the line y = 2

18. 7 6 5 4 3 2 1 0 1 2 3 4 5 6 7

19. 7 6 5 4 3 2 1 0 1 2 3 4 5 6 7 Reflect this trapezoid in the line y = 1

20. 7 6 5 4 3 2 1 0 1 2 3 4 5 6 7

21. 7 6 5 4 3 2 1 0 1 2 3 4 5 6 7 Reflect this trapezoid in the line y = x

22. 7 6 5 4 3 2 1 0 1 2 3 4 5 6 7

23. 6 5 4 3 2 1 -3 -2 0 1 2 3 4 -2 Reflect this triangle in the line y = - x

24. 6 5 4 3 2 1 -3 -2 0 1 2 3 4 -2 Reflect this triangle in the line y = - x

25. 5 4 3 2 1 -3 -2 0 1 2 3 4 -2 Challenge: Reflect the triangle in the y axis, then reflect that triangle in the line y = x.

26. y = x 5 4 3 2 1 -3 -2 0 1 2 3 4 -2 Challenge: Reflect the triangle in the y axis. Then reflect that triangle in the line y = x.

27. y = x 5 4 3 2 1 -3 -2 0 1 2 3 4 -2 Challenge: Then reflect that triangle in the line y = x.

28. Lesson Objective: Lesson Objective: Describing reflections. Describing reflections. Draw and name the mirror line.

29. Reflection in the line x = 1 Draw in the mirror line and describe the reflection

30. Reflection in the line y = 2 Draw in the mirror line and describe the reflection

31. y 7 6 5 4 3 2 1 0 1 2 3 4 5 6 7x

32. y 7 6 5 4 3 2 1 0 1 2 3 4 5 6 7x Reflection in the line y = 3

33. y 7 6 5 4 3 2 1 0 1 2 3 4 5 6 7x Draw in the mirror line and describe the reflection

34. y 7 6 5 4 3 2 1 0 1 2 3 4 5 6 7x Reflection in the line x = 5

35. y 7 6 5 4 3 2 1 0 1 2 3 4 5 6 7x Draw in the mirror line and describe the reflection

36. y 7 6 5 4 3 2 1 0 1 2 3 4 5 6 7x Reflection in the x axis ( the line y = 0 )

37. 7 6 5 4 3 2 1 0 1 2 3 4 5 6 7 Draw in the mirror line and describe the reflection

38. 7 6 5 4 3 2 1 0 1 2 3 4 5 6 7 Reflection in the line y = x

39. 7 6 5 4 3 2 1 -6 -5 -4 -3 -2 0 1 2 Draw in the mirror line and describe the reflection

40. 7 6 5 4 3 2 1 -6 -5 -4 -3 -2 0 1 2 Reflection in the line y = - x

41. Algebraic Rules of Reflections