Following are different designs with rectangles and the commands that produced them. However, they may be unsure how far to go forward or to turn. Conversations with others about the properties of a rectangle can help students abstract, generalize, and symbolize their ideas so that their experiences with a computer environment help connect new learning with old. Different versions of the Turtle Logo environment are commercially available. The following investigation is more challenging than those described earlier.
Task Use the sliders to try different values for each of the settings that can be changed.