This in-depth video tutorial explains the rules for filling orbitals with electrons in an atom. [11:28]

Students learn how to simplify radicals using prime factorization. The mathematics concept is explored through this video lesson. Video

This lesson will demonstrate how to simplify radicals by using prime factorization. It is 4 of 5 in the series titled "Simplifying Radicals with Prime Factorization."

Students watch a video lesson that demonstrates how to simplify radical expressions. The tutorial includes detailed examples of the skill.

Students learn how to simplify radicals using perfect squares. The mathematics concept is explored through this video lesson.

Explore a part to whole approach of simplifying ratios with this video. Take a quiz after the tutorial to assess what was learned.

A narrated video explains the structure and function of the skeletal muscles within the human body. [4:17]

Slant height is defined by using pyramids and cones in this video lesson. Assessment given to check for understanding. [5:00]

This video lesson with help students use the Pythagorean theorem to solve for the slant height of a cone. Complete assessment to show understanding. [2:35]

This video lesson demonstrates how to find the slant height of a right cone. Students can check their understanding with an assessment. [6:18]

This video lesson demonstrates how to use the Pythagorean Theorem to find the slant height of pyramid.

This video presentation explains what sliding friction is, and how it is experienced. [5:32]

Explore the relationship bewteen slope-intercept form, slope, and direct variations and assess learning with a quiz.

Use a table of data to find the slope-intercept form of a linear function. Take a quiz to assess learning.

Use a table of data to determine the slope-intercept form of a linear function. Take a quiz to assess learning.

Students learn how to rewrite equations in slope-intercept form. The lesson also reviews how to solve and graph linear equations.

A narrated screencast which illustrates the solubility rules of common ions. This lesson provides examples on how to determine if an ionic compound will dissociate in water. [5:17]

Substitute a value for a variable and determine the solution to the equation. Take quiz to assess understanding.

This lesson defines solubility in terms of solutes and solvents, helping learners understand the vocabulary involved with solutions. [2:33]

Solve for the unknown radii and tangent segments of circles using a theorem. Assess learning with a quiz.

Explore similar triangles and how to solve for unknown angles in this video tutorial. Check understanding with a quiz. [3:45[

Solve for unknown sides of similar triangles and take a quiz to assess learning.

Watch this guided screencast, and learn how to figure the velocity of two objects after an inelastic collision. [5:40]

Students watch a video tutorial that demonstrates how to solve a system of linear equations by graphing. The lesson includes a detailed example.