Category: Mathematics

  • Set notation

    Set notation

    Set notation is commonly used throughout mathematics and is often introduced early in algebra.

  • Sets

    Sets are foundational to mathematics and are used throughout most branches of mathematics.

  • 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…

  • Topology

    Can you explain the concept this picture represents?

  • Infinity – prealgebra

    Infinity is an important concept that can be understood at many levels starting in early childhood.

  • 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…