| Term | Definition |
| rotation | changing the way a figure looks by moving it a round a point of rotation |
| 90 degree rotation | turn one time to the left |
| 180 degree rotation | turn two times to the left, same as reflection over the origin |
| 270 degree rotation | turn three times to the left |
| translation | a transformation is moved up, down, or left or right |
| reflection | a mirror image is created over a line or point |
| composition | when two or more transformations are done to create a new transformation |
| dilation | the size of the object is changed by multiplying each point by a constant |
| origin | the point in which the x-axis and y-axis meet |