A video presentation providing example problems on finding the net force acting on objects at rest or sliding across inclined planes. [13:08]

Explore how to reflect geometric figures across a coordinate plane in this tutorial video. [5:55] Take a quiz to assess learning.

This video tutorial [3:41] demonstrates how to reflect a geometric figure on a coordinate plane. Students can check their understanding with an assessment.

Explore how to rotate a geometric object across a coordinate plane with this video lesson. [10:37] Assess learning with a quiz.

A screencast introducing prefixes and their effects on the meaning of a root word. [2:00]

This lesson explains how to prepare to read. This tutorial shares a short audio lesson [02:43] and supplemental notes with the lesson's content.

This lesson introduces prepositions and their role. This tutorial lesson shares a short screencast [2:58] and review questions over the lesson's content.

This lesson introduces the present perfect tense and how it is used. It is 4 of 4 in the series titled "Present Perfect." [5:08]

This lesson discusses the prewriting technique of having a dialogue. This tutorial lesson shares a short screencast [6:27] with the lesson's content.

This lesson discusses some of the ways a probability question might be expressed. [2:46]

This lesson goes over words, phrases, and key elements that are included in process papers. This tutorial lesson shares a short screencast [6:02] with the lesson's content.

This lesson will review the difference between producers and consumers, and show how both play important roles in a food web. It is 3 of 4 in the series titled "Producers and Consumers."

This lesson will review the difference between producers and consumers, and show how both play important roles in a food web. It is 4 of 4 in the series titled "Producers and Consumers."

Through a combination of a slide presentation and a video lecture, learn how to solve a projectile motion problem involving a baseball. [14:29]

This video lesson focuses on pronoun and antecedent agreement including in number and in gender. It also provides rules for using indefinite pronouns, collective nouns, and compound nouns. [7:03]

This lesson goes over pronoun case, including the subjective case, the objective case, and the possessive case. This tutorial lesson shares a short screencast [05:20] and provides review questions over the lesson's content.

This screencast focuses on pronouns and their antecedents; it includes definitions, purposes, examples, and 1st, 2nd, and 3rd person pronouns. Real Player is required.

This lesson introduces the concept of proofreading. It is 1 of 2 in the series titled "Proofreading." [3:22]

This video tutorial helps define bond length and bond strength for covalent compounds. [3:23]