This package includes a pdf file handout, AND an interactive GEOGEBRA graphing file that goes with the handout. You, a substitute, or the students themselves adjust different values in the interactive graphing program to learn about basic geometry terms, such as point, line, ray, segment, angle measurement, vertex, correct naming of angles, circle, radius and diameter.
All that is necessary is for you to download the free-use geogebra program onto your computer (www.geogebra.org/download