Labeling a Right Triangle
By Roy Peterson
In this learning activity you'll identify the sides of a right triangle with respect to the angles.
The Rectangle
By Allen Reed, Douglas Jensen
In this animated activity, learners read about the properties of a rectangle and its components. They then work practice problems to find the perimeter and area of rectangles.
The Rectangular Solid
Learners study the properties of a rectangular solid and use geometric formulas to find volume and surface area.
The Parallelogram
In this animated activity, learners read the definition of a parallelogram and then find the perimeter and area of parallelograms in practice problems.
The Triangle
Learners examine the properties of a triangle and work practice problems to find a triangle's perimeter and area.
The Right Circular Cylinder
Learners study the properties of a right circular cylinder and use geometric formulas to find volume and surface area.
Strength of Materials: The Centroid of a Circle
By Steve Whitmoyer
In this animated and interactive object, learners calculate the area and centroid of a circle.
The Cube
Learners study the properties of a cube and use geometric formulas to find volume and surface area.
The Right Circular Cone
Learners study the properties of a right circular cone and use geometric formulas to find volume and surface area.
The Regular Square Pyramid
Learners study the properties of a regular square pyramid and use geometric formulas to find volume and surface area.
The Trapezoid
In this interactive object, learners study the properties of a trapezoid and use a geometric formula to find its perimeter and area.
The Sphere
Learners study the properties of a sphere and use geometric formulas to find volume and surface area.
Pythagorean Theorem
By Michele Williams
In this learning activity you'll use the Pythagorean Theorem to calculate the lengths of the legs and hypotenuse of a right triangle.
Right Triangles That Are Special: Using the Pythagorean Theorem
In this learning activity you'll apply the Pythagorean Theorem to isosceles and equilateral triangles.
Strength of Materials: The Centroid of a Triangle
In this animated and interactive object, learners calculate the area and centroid of a triangle.
The Square
In this animated activity, learners read about the properties of a square and its components. They then work practice problems to find the perimeter and area of squares.
Plotting Points on a Coordinate System
By Francine Nettesheim
In this learning activity you'll identify points on a coordinate system.
The Circle
By Douglas Jensen
In this animated and interactive object, learners examine the definitions and formulas for radius, diameter, circumference, and area. Students also solve practice problems involving the circumference and area of a circle.