This CoolMath resource exhibits the exercise of AX+B+CX+D. Students can refer to the CoolMath: Solving Equations resource as a reference.

Complete the exercise that tests your understanding of past or present tense.

This Grammar Bytes site shares an interactive commas quiz. Given two options per question, students will choose the option that will fix the comma error. A downloadable handout is available to keep track of the students' answers.

Practice answering questions with affirmative usted or ustedes commands and a direct object pronoun. Stem-changers,spelling changes, regular and irregular formal commands are included in this Colby College exercise.

This practice exercise from Khan Academy covers Period 6: 1865-1898 in American History. The Gilded Age, Western expansion, and the "New South" are included in the practice. This resource is designed as a review for the AP US History Test.

Explore fractions through creating shapes in this interactive exercise.

In this exercise, students practice comparing lengths. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.

Argument terms are included in this review exercise. Flashcards are provided for the following words: evidence, claim, qualitative evidence, quantitative evidence, and reasoning. Images of each of these terms are also included.

In this exercise, students practice measure to find perimeter. Students receive immediate feedback and have the opportunity to watch a tutorial video, get hints, and try questions repeatedly.

Help Jamal read maps, describe directions, and identify coordinates in this series of interactive exercises.

Designed for elementary students, this Internet viewable slide show explains how to form possessives, then provides practice sentences. At the end are links to an online practice quiz and a printable worksheet.

Surf the waves with Courtney. Find out how to stay fit and healthy, just like her.

A social listening exercise designed for English language learners. The exercise requires students to listen to short audio clips of typical questions and remarks that they might hear on the telephone. Then learners choose an appropriate...

This entry explains the difference in meaning and usage of the words "then" and "than," gives examples of each, and provides a link to a page of practice exercises.

Complete lesson with instruction and exercises, teaching students how to divide decimals using mental math.

Identify and use adverbs of degree. Many of them don't end in '-ly'!

Practice for the MCAT with these questions about behavior and genetics.

Understand how to calculate and use factorials.

Let's see what you know about prepositions!

Find the question words in these sentences!