IM 8.1.3 Lesson: Grid Moves
What do you notice? What do you wonder?
Follow the directions below each statement to move the figure. Use vectors to show translations. A vector is a quantity that has magnitude (size) and direction. It is usually represented by an arrow.
In the applet below, translate triangle so that goes to .
In the applet below, translate triangle so that goes to .
In the applet below, rotate triangle counterclockwise using center .
- Select the Rotate around Point tool.
- Click on the figure to rotate, and then click on the center point.
- A dialog box will open; type the angle by which to rotate and select the direction of rotation.
- Click on ok.
Reflect triangle using line .
Rotate quadrilateral ABCD 60° counterclockwise using center B.
Rotate quadrilateral ABCD 60° clockwise using center C.
Reflect quadrilateral ABCD using line l.
Translate quadrilateral ABCD so that A goes to C.
Try your own translations, reflections, and rotations.
Make your own polygon to transform, and choose a transformation.
Predict what will happen when you transform the image. Try it - were you right?
Challenge your partner! Right click on any vectors or lines and uncheck Show Object. Can they guess what transformation you used?