The interactive applet allows learners to explore the relationships between side length, area, and perimeter. Students see how changes in the scale factor influence the ratio of areas and perimeters. [Requires Java.]

Students use this computer applet to visualize the concept of completing the square.

Explore what the relationship the radius has to the area of a circle. Click the instructions to learn how to use this interactive resource and select"Exploration" for more ideas.

Click on the "Cards" dropdown menu and choose "Fractions". Play concentration matching fractions, fraction words, and visual representations for fraction amounts. Pick numbers from 1 to 6 or 1 to 10. One or two can play this game.