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Learners examine the properties of a triangle and work practice problems to find a triangle's perimeter and area.
Solving Systems of Linear Equations Using the Addition or Subtraction Method
By Allen Reed, Douglas Jensen
In a series of practice problems, learners use the addition or subtraction method to solve systems of linear equations, also called "simultaneous linear equations."
Right Triangles That Are Special: Using the Pythagorean Theorem
By Michele Williams
In this learning activity you'll apply the Pythagorean Theorem to isosceles and equilateral triangles.
International Time Zones (Video)
By Virginia Kirsch
In this screencast, you will learn about the 24 time zones.
Fundamental Laws of Algebra
Learners review the fundamental laws of algebra including the commutative law of addition, the commutative law of multiplication, the associative law of addition, the associative law of multiplication, and the distributive law. Examples are given.
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