GeoGebra applets

## Types of angles

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

## Locating fractions and mixed numbers on a number line

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

## Trapezoids practice

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

## Triangles practice

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

## Area of a trapezoid

How to find the area of a trapezoid.

## Area of a triangle

Teaser and introduction goes here. Sample problem here.

## Area of parallelograms

Teaser and introduction goes here. Sample problem here.

## Area of rectangles

Teaser and introduction goes here. Sample problem here.

## Review writing expressions

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

## Similar figures and proportions

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