Reflections

Starter Objective: Recap on vertical & horizontal lines.

Name the line Vertical lines are x = Horizontal lines are y = X = 5 X = -1 y = 6 y = 1 y = x

Lesson Objective: Reflect shapes in a given mirror line.

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

Reflect this triangle in the line x = 5

Reflect this rectangle in the line x = 1

Reflect this hexagon in the line x = 4

Reflect this rectangle in the line y = 2

Reflect this trapezoid in the line y = 1

Reflect this trapezoid in the line y = x

Reflect this triangle in the line y = - x

Reflect this triangle in the line y = - x

Challenge: Reflect the triangle in the y axis, then reflect that triangle in the line y = x.

y = x Challenge: Reflect the triangle in the y axis. Then reflect that triangle in the line y = x.

y = x Challenge: Then reflect that triangle in the line y = x.

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

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

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

y x

y x Reflection in the line y = 3

y x Draw in the mirror line and describe the reflection

y x Reflection in the line x = 5

y x Draw in the mirror line and describe the reflection

y x Reflection in the x axis ( the line y = 0 )

Draw in the mirror line and describe the reflection

Reflection in the line y = x

Draw in the mirror line and describe the reflection

Reflection in the line y = - x

Algebraic Rules of Reflections