Translations
Reflections
Dilations
Vocabulary
A bit of everything
100
A translation is when you do this to a figure.
What is move it right, left, up, or down?
100
A reflection is when you do this to a figure.
What is flip it or make a mirror image of it?
100
A dilation is when you do this to a figure.
What is make it bigger or smaller?
100

Two angles whose measures add up to 180 degrees

What are supplementary angles

100

(****)

What is the measure of angle y?

y=36 degrees

200

Find the new coordinates of (10,12) if you translate the point three units left and 4 units up.

What is (7,16)?

200
Find the new coordinates of (3,-2) after you reflect the point over the x-axis.
What is (-3,-2)?
200
Find the new coordinates of (3,-2) if you dilate the point with a scale factor of 4.
What is (12,-8)?
200

Congruent angles formed by two intersecting lines

What are vertical angles

200

What is the name of two angles whose measures add up to 90 degrees

What are Complementary Angles.

300

Write the notation of point (x,y) after it moves 3 spots to the left and 7 spots up.

What is (x-3,y+7)?

300

(*)

Draw an example of a reflection of a rectangle.

reflection of a figure over the a line

300

(**)

Draw an example of a dilation with a scale factor of 2.

Label how much each side of your figure measures to show that you applied the desired scale factor.

multiplied the sides of the figure by 2.

300

When 2 parralel lines are both intersected by a transversal these angles are inside of the two parllel lines and on opposite sides of the transversal.

What are alternate interior angles

300

(*****)

Solve for x in the following picture.

x=15

400
Describe the translation for this notation: (x,y) --> (x + 8, y + 4)
What is a translation of 8 units to the right and 4 units up?
400

Graph rectangle PQRS after a reflection over the x-axis P(1,-3), Q(2,-1), R(3,-1), S(4,-3).

What is P(1,3), Q(2,1), R(3,1), S(4,3)

400
Line segment CD was dilated around the origin by a scale factor of 2. The endpoints of the image are C' (4,0) and D' (6,2). What are the coordinates of the endpoints of the original line segment?
What is C(2,0) and D(3,1)?
400

(***)

What is the relationship between angles 4 and 5?

What are Alternate Interior Angles.

400

Create a Venn Diagram.

Which letters below have reflection symmetry?

Which letters are used in the word CHANNEL?

Which are both?

A C D L N O T

Reflection Symmetry: ACDOT

Both: A,C,

Used in the word CHANNEL: CALN

500

What are the new coordinates of the triangle ∆LMN after a translation of 6 units to the right and 4 units down. L(0,3) M(6,4) N(3,9)

What is L'(6,-1), M'(12,0), N'(9,5)?

500

A picture with one point (-3,4) was reflected over the y-axis. What should be the new coordinates of the point?

What is (3,4)?

500
Graph ∆DEF after a dilation with a scale factor of 0.5. D(2,8) E(2,2) F(6,2)
What is D'(1,4), E'(1,1), F'(3,1)?
500

Describe what same side interior angles.

What are the angles formed by two parallel lines are cut by a transversal, and these angles are on the inside of the two parallel lines and on the same side of the transversal.

500

(******)

Solve for x.

x=24

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