GeoGebra applets

This page shows the different types of angles and their names: acute, right, obtuse, straight, and reflex.

Use this applet to practice placing fractions and mixed numbers on a number line.

Use this applet to practice finding the area and perimeter of randomly generated trapezoids.

Use this applet to practice finding the area and perimeter of randomly generated triangles.

Review writing expressions with addition, subtraction, multiplication, and division. Sample problem here.

If you know two figures are * similar*, how can you find the missing lengths for the second figure?. Sample problem here.