Translation as motion
Translate the L shape by dragging point H.
Drag H to move the L shape horizontally. How many grid units did you move the L shape? Drag H to move the L shape vertically. How many grid units did you move the L shape with respect to the original position? Drag H to move the L shape in any other direction. Describe the direction of the motion by indicating how many units the object was moved horizontally and how many units vertically (positive to the right and up; negative to the left and down)