Translations
Dilations
Rotations
Symmetry
Mystery
100
What about the image changes when it is translated?
Size, Shape, or Position
Position
100
What about the shape changes with a dilation?
The size
100
What is the center of rotation in most standard rotations?
The origin (0,0)
100
What is line symmetry?
When a figure can be folded along a line so both halves match.
100
What do supplementary angles add up to?
180 degrees
200
Translate the point (3,-2) by the rule (x+4, y-1). What is the new point?
(7, -3)
200
Dilate the point (2, 3) by a scale factor of 2 about the origin.
(4, 6)
200
If I am starting at (x,y), what would the new representation be if the points were rotated 180 degrees clockwise?
(-x, -y)
200
What is point symmetry?
When a shape can be rotated 180 degrees and still be the same shape.
200
Write the contrapositive for the following statement:
Conditional: If it is my birthday, then I will eat cake.
If I do not eat cake, then it is not my birthday.
300
True or False? A translation changes the orientation of a figure?
False
300
If a figure is dilated by a scale factor less than 1, what happens to its size?
It becomes smaller.
300
Describe the rotation that maps (-3, 5) to (5, 3)
90 degrees clockwise or 270 degrees counterclockwise
300
Name a letter of the alphabet that has point symmetry.
S, H, Z, O, X, H, I, N
300
Solve the equation
3x+34=5x+16
x=9
400
Write the rule for the following translation: (-5,7) to (-2,3)
(x+3, y-4)
400
What does the scale factor of 1 do to a figure?
Nothing. The figure stays the same.
400
Point A is at (4, -2). What are the coordinates of A' after it has been rotated 270 degrees clockwise about the origin?
(2, 4)
400
Which of the following letter(s) of the alphabet have line symmetry?
A, T, H, O, M
They all have line symmetry!
400
Find the midpoint of these two points: (6, 8) and (4, -2)
(5, 3)
500
If a triangle is translated 6 units right and 3 units down, what is the rule for the translation?
(x + 6, y – 3)
500
What is the scale factor?
A (12, 15) = (4, 5)
B (9, 12) = (3, 4)
C (3, 9) = (1, 3)
1/3
500
Point C is at (-5, -3). What are the coordinates of C' after it has been rotated 90 degrees counterclockwise about the origin?
(3, -5)
500
Which of the following letter(s) have line and point symmetry?
A, T, H, O, Z
H, O, Z
500
What is the distance formula?
