Learn how to reflect a geometric figure across the coordinate plane in this video tutorial. [7:07] Assess learning with a quiz.

Identify and explain the area of a 2-dimensional object. Take a quiz to determine your understanding.

This video tutorial shares several examples of different types of triangles as they are used to determine the area of each triangle. Assessment checks understanding. [6:54]

Planet Nutshell Math Shorts provide animated videos that explain various math topics. On this site, students learn about dilations.

[Free Registration/Login may be required to access all resource tools.] Students watch a video tutorial on line or reflective symmetry.

Video by Art of Problem Solving. Problem from the MAA American Mathematics Competitions.

Video by Art of Problem Solving. Problem from the MAA American Mathematics Competitions.

Triangle properties and perpendicular bisectors.

Using what we know about 30-60-90 triangles to solve what at first seems to be a challenging problem

This video lesson [6:45] will demonstrate the use of CPCTC in triangle congruencey proofs. It is 4 of 4 in the series titled "CPCTC."

This lesson [8:19] will demonstrate the use of CPCTC in triangle congruency proofs. It is 1 of 4 in the series titled "CPCTC."

This lesson explains how to determine a formula for the volume of a sphere. Student watch a video tutorial and then can take an online quiz.

This lesson demonstrates how to find the volume of a cone. Student can watch a video tutorial and then take an online quiz.

This lesson gives details about the formula and procedure for calculating the volume of a conical frustum. Student watch a video tutorial and then can take an online quiz.

This lesson gives details about the formula and procedure for calculating the volume of a conical frustum. Student watch a video tutorial and then can take an online quiz.

Given this lesson and the formula, you'll be able to calculate the volume of a cube. Student watch a video tutorial and then can take an online quiz.

This lesson will present how to find the volume of a hemisphere. Student watch a video tutorial and then can take an online quiz.

This lesson will present how to find the volume of a hemisphere. Student watch a video tutorial and then can take an online quiz.

In this lesson, you'll learn about the formula and procedure for calculating the volume of an ellipsoid. Student watch a video tutorial and then can take an online quiz.

This lesson explains the formula and procedure for calculating the volume of an oblique cone. Student watch a video tutorial and then can take an online quiz.

This lesson demonstrates how to find the volume of a pyramid. Student watch a video tutorial and then can take an online quiz.

This lesson gives details about the formula and procedure for calculating the volume of a right circular cylinder. Student watch a video tutorial and then can take an online quiz.

In this lesson, you will learn about the formula and procedure for calculating the volume of a torus. Student watch a video tutorial and then can take an online quiz.

In this lesson, you'll learn about the formula and procedure for calculating the volume of a torus. Student watch a video tutorial and then can take an online quiz.