Just as it is important to use correct language in communication, it is important to use correct language when discussing geometric objects.
Correct language leads to no misinterpretations and is essential in getting the true meaning across.
Development Students are first asked to create a sketch giving an example of each of the terms outlined in the introduction. When students have created this sketch, they are then asked to print it out and retrieve their copy. Students should start a new sketch. Students work in pairs, each at a computer with the screens not facing each other. One student will create an object on their screen and the other student will be challenged to duplicate it.