1. Warm Up
Place the date in the top right of your paper.
August 20, 2012
Write down the procedures for entering and
exiting the classroom.
Please write them in steps and in complete
sentences.
2. Activator
Take out your OMG!
We are about to CUT and FOLD!
3.
4. Translations and Reflections
(x, y)
“x” – LEFT or RIGHT
“y” – UP or DOWN
X- “+” means right “-” means left
y- “+” means up “-” means down
6. Translations and Reflections
Translation Rules
(X+a, y) move figure to the right “a” units
(x-a, y) move figure to the left “a” units
(x, y+a) move figure up “a” units
(X, y-a) move figure down “a” units
Translate (2,3) by (-8, 4). This is the same
as subtracting 8 from 2 and adding 4 to 3.
New ordered pair (-6, 7).
9. Translations and Reflections
Check for Understanding…….
(x+4, y) Move figure _4__units to the
_right__
(x- 8, y) Move figure _____ units to the
_______
10. Translations and Reflections
Check for Understanding…….
(x+4, y) Move figure _4__units to the
_right__
(x- 8, y) Move figure _8_ units to the
_left__
11. Translations and Reflections
Check for Understanding…….
(x+4, y) Move figure _4__units to the
_right__
(x- 8, y) Move figure _8_ units to the
_left__
(x, y-2) Move figure ____ units
12. Translations and Reflections
Check for Understanding…….
(x+4, y) Move figure _4__units to the
_right__
(x- 8, y) Move figure _8_ units to the
_left__
(x, y-2) Move figure _2_ units _down__
14. Translations and Reflections
Check for Understanding…….
1. (x+4, y-3)Move 4 units right and 3 units
down
2. (x, y-8) Move 8 units left
3. (x-1, y-2)Move 1 unit left and 2 units
down
4. ( x-3, y) Move 3 units left
5. ( x+2, y-5)Move 2 units right and 5 units down
17. Translations and Reflections
Reflection Rules
Keep the coordinate that is stated in axis,
change the other coordinate to its
opposite value.
Multiply the coordinate that needs to be changed by -1.
X-axis
Keep “x”, Flip “y”
Y-axis
Keep “y”, Flip “x”
