Category: Mathematics
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Set notation
Set notation is commonly used throughout mathematics and is often introduced early in algebra.
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Angles & Sine Function
Learning Objectives: Videos that review the basics Sine function This triangle, △ ABC, is a right triangle. The right angle is shown by the square at angle C. The angle that we are interested in is angle A, shown by the curved line. The sine of ∠A is found by dividing the opposite side, a, by the…
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Infinity – prealgebra
Infinity is an important concept that can be understood at many levels starting in early childhood.
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Cartesian Coordinates
What is the Cartesian Coordinate System? The Cartesian coordinate system is a way to locate a point in space by assigning coordinates at 90 degrees to each other. The Fundamental Skills: The fundamental skills involved include: Words to Use: Prerequisite Skills: Ways to Practice: There are multiple ways that these skills can be introduced to…