Vocabulary
Rotations
Translations
Reflections
Dilations
100
The original figure before any transformations
What is the pre-image?
100
A rotation is when you do this to a figure?
What is spin or rotate it around a designated point.
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 what to a figure?
What is flip it across a line, like a mirror?
100
A dilation is when you do this to a figure.
What is make it bigger or smaller?
200
Changing the position, size and/or orientation of a figure on a coordinate plane
What is transformation?
200
A pre-image coordinate is (5,4). What is the corresponding coordinate of the image when rotated 180o around the origin?
What is (-4,-5)?
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
One coordinate of a pre-image is (3,-2). What is the corresponding coordinate of the image that is reflected across 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)?
300
Figures that only have the same shape
What is similar?
300
The pre-image coordinate is (x,y). What is the notation of an image rotated 180o around the origin?
What is (-y,-x)
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
What is the notation of point (x,y) after it is reflected across the y-axis?
What is (-x,y)?
300
Write the notation of point (x,y) after it is dilated with r=6.
What is (6x,6y)?
400
Figures that have the same shape AND size
What is congruent?
400
What is the angle of rotation of the pre-image to the image? 
What is 180o?
400
Describe the translation for this notation: (x,y) --> (x + 8, y + 4)
What is moved/shifted eight units to the right and four units up?
400
One coordinate of a pre-image is (-3,4). What is the corresponding coordinate of the image that is reflected across the y-axis?
What is (3,4)?
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 are C(2,0) and D(3,1)?
500
When the pre-image and image are congruent
What is isometric?
500
The pre-image coordinate is (-4,2). What is the corresponding coordinate of the image rotated 90o clockwise?
What is (2,4)?
500
What are the image coordinates of ∆LMN after a translation of 6 units to the right and 4 units down. L(0,3) M(6,4) N(3,9)
What are L’(6,-1), M’(12,0), N’(9,5)?
500
The coordinates of the pre-image are D(5,5), E(5,8), F(8,8), and G(8,5). What are the coordinates of the images when reflected across the x-axis?
What are D’(5,-5), E’(5,-8), F’(8,-8) and G’(8,-5)?
500
What are the image coordinates of ∆DEF after a dilation with a scale factor of 0.5. D(2,8) E(2,2) F(6,2)
What are D’(1,4), E’(1,1) and F’(3,1)?