Translations
Reflections
Rotations
Vocabulary
Rotational Symmetry
100
What do you do to a figure when you translate it?
Slide it
100
What does it mean to reflect an image?
Flip it
100
When you rotate a figure, what are you doing to the figure?
Turn it
100
What is a pre-image?
The original image
100

What is the minimum number of degrees needed to rotate a square onto itself?

90 Degrees

200

What directions can you slide a figure for a translation?

Up, Down, Left, or Right

200
If your pre-image figure is in quadrant III and you reflect it across the y axis, what quadrant would your image be in?
Quadrant IV
200
If you pre-image is located in quadrant II and you rotate it counter clockwise 90 degrees, what quadrant would your image be located in?
Quadrant III
200
What does congruent mean?
Same size and shape
200

What is the minimum number of degrees needed to rotate a Hexagon onto itself?

60 degrees

300
If point A is at (2,2) and you translate it left 5 units, what would the point at A' be?
(-3,2)
300
If point A is located at (5,6) and it is reflected across the x-axis, what would point A' be?
(5,-6)
300
If your pre-image is located in quadrant III and it is rotated 180 degrees, what quadrant would your image be located in?
Quadrant I
300

What is the middle point on a graph called? The point with coordinates (0,0)

The origin

300

Write out all of the degrees used to rotate a pentagon onto itself, up to 360 degrees.

72, 144, 216, 288, 360.

400
If point J is at (3,-4) and you translate it left 5 units & up 7 units, what would the point at J' be?
(-2,3)
400
If point K is located at (-2,-4) and it is reflected across the y-axis then reflected across the x-axis, what point would K' have?
(2,4)
400
If you have point G at (-3,2) and you rotate it 90 degrees clockwise, what would the point G' be?
(2,3)
400

What is a rigid motion? Give at least one example of a rigid motion.

Same size and shape

Example: Translation, rotation, and reflection

400

What is the minimum number of degrees needed to rotate a decagon onto itself?

36 degrees.

500

If point W is at (-5,0) and first you translate it right 7 units & up 3 units then you translate it left 2 units & down 3 units, what would the point at W' be?

(0,0)

500
If point X is located at (-5,-5) and it is translated 8 units to the right and 2 units up then it is reflected across the y-axis, what would the point for X' be?
(-3,-3)
500
If you have point Q at (1,-4) and it is translated left 3 units & up 5 units then it is reflected across the y-axis and finally rotated 180 degrees, what point would Q' be?
(-2,-1)
500

What transformation changes the size of an object?

A dilation

500

What is the minimum number of degrees needed to rotate a septagon onto itself? Round your answer to the nearest thousandths.

51.429 degrees

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