Symmetry
Reflections
Rotations
Translations
Vocabulary
100

A line of symmetry divides a figure into 2 sides that are________?

What is mirror images or reflections

100
If an arrow pointing up is reflected over the x-axis, what happens to it?
What is it points down.
100
A rotation to the right is known as the ____________ direction. hint: tick-tock
What is clock-wise
100

When translating which two directions are considered negative?

What is left and down.

100
A transformation that occurs when a figure is slide from one location to another without changing it's size, shape or orientation is called what?

What is a translation.

200
How many lines of symmetry are present in your face?
What is 0 or 1
200

An arrow pointing up and to the left is reflected over the x-axis, what happens to the direction of the arrow.

What is it points down and to the left.

200
A rotation to the left is in the _______________ direction.
What is counter-clockwise.
200
If a shape is translated 4 units right and 2 units down. Write this in notation.
What is (x+4, y-2).
200

When an object moves but maintains its shape and size, we call it a ______ motion.

What is rigid.

300

How many lines of symmetry are present in an octagon?

What is 8

300

If a point is on the line of reflection, what happens to it after the reflection?

What is nothing. It stays at the same place on the line of reflection.

300

A rotation of 180 degrees counterclockwise will change our cooridnates from (x,y) to ...?

(-x, -y)

300
The point (4, -2) is translated by (x-6, y+6). What are the new points?
What is (-2,4)
300

What transformation flips the original figure and produces a shape that is a mirror image of the original?

What is a reflection.

400

An isosceles triangle has how many lines of symmetry?

What is one.

400
The point (5,4) is reflected over the x axis. What is the new coordinate?
What is (5,-4)
400

If the point (3,2) rotates 90 degrees clockwise about the origin, what are the new coordinates? (x,y)->(y,-x)

What is (2, -3)

400
A point moves 4 units down, how do you write this translation?
What is (x, y-4)
400

What transformation takes each point in a shape and spins/turns it a certain number of degrees around the origin?

What is a rotation.

500

What shape has an infinite number of lines of symmetry.

What is a circle.

500
If a point in Quadrant 1 is reflected across the origin, then across the x-axis, then across the origin again, what quadrant will it be in?
What is quadrant 4.
500

A shape or point that is rotated 0 degrees or 360 degrees will appear to have...?

What is not moved at all

500
The point (-2, 5) is translated to (-6, 12). What is the translation?
What is (x-4, y+7)
500

What are the two names we call the line that splits a shape into two parts that are mirror images of each other?

What are line of symmetry and line of reflection

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