Systems of parallel lines have no solution. Pupils work examples to discover that lines with the same slope and different y-intercepts are parallel. The 27th segment of 33 uses this discovery to develop a proof, and the class determines...

Help your class better understand the concept of fractions as part/whole with this interesting presentation. Fractions are likened to part/whole of a set of objects. A set of jewels is displayed, where one out of the three jewels is red,...

Spark interest in Mark Twain's The Adventures of Tom Sawyer with an anticipatory exercise that begins with a brainstorm around the words heroic and good boy. Pupils then complete an anticipation guide, discuss the results in groups, and...

Test understanding of "The Inn of Lost Time" by Lensey Namoika with an assessment that includes true/false, multiple choice, vocabulary, short answer, and essay questions. The test is not entirely traditional since, for the first 10...

Visual models support young mathematicians as they deepen their fractional number sense in this elementary math lesson. Using fraction circle manipulatives, children explore basic unit fractions as they develop the fundamental...

Explore characters in The Adventures of Tom Sawyer through biopoems. Pupils follow the specific formatting presented here to write 11-line poems about characters in the novel.

If you've ever received bad service or disagreed with a company's decision, writing a letter of complaint might be a good skill to have. Review the format of a letter, author's purpose, and other aspects of persuasive writing with an...

How much can different shapes hold? The answer varies depending on the shape and dimensions. Individuals learn the formulas for the volume of a sphere, cone, and cylinder. They apply the formulas to find the volume of these...

It's the parts that make the whole. Learners apply volume formulas to composite figures to find the total volume of the figure. Previous lessons in this series taught the methods for finding the volume and/or dimensions of...

The 20th installment in a series of 36 focuses on the characteristics of the p-block elements. Learners discuss, read about, and answer questions pertaining to the occurrence of these elements in nature, their electron configurations,...

Analyze that! Scholars continue reading and analyzing a primary source about the immediate aftermath of the 1906 San Francisco fire and earthquake. Then, individuals use graphic organizers to identify the author's point of view.

Your learners will enjoy thoroughly understanding fractions, and you will appreciate the abundant, quality resources in this comprehensive unit that builds toward a complete understanding of the concept of fractions as numbers. Many...

More than 90 percent of chemical products are made using a catalyst. Lesson demonstrates the way a catalyst changes the rate of reaction without altering the chemical reaction. A catalyst doesn't appear as a reactant or a product, yet it...

The United States is the world's largest producer of biofuel. During an in-class investigation, young scientists produce their own biodiesel. They burn a sample of it to determine the heat of combustion. Then they discuss the...

We have all heard the debate about teaching both theories, but an innovative lesson takes the discussion to a new level. Scholars research and debate Newton's Law of Gravitation versus Einstein's General Theory of...

Does the human body evolve as quickly as human culture? With a stellar 15-minute video, explore the trait of lactose intolerance. Only about 1/3 of human adults seem to still have the enzyme lactase and therefore, the ability to digest...

This, the sixth in a series of 10 related resources, examines the life and works of Frances Ellen Watkins Harper, an African American author, born in 1825, who advocated literacy for both free and enslaved African Americans.

Got milk? Only two cultures have had it long enough to develop the tolerance of lactose as an adult. Learn how the responsible genes evolved along with the cultures that have been consuming milk. This rich film is supplied with a few...

Young scientists design a rocket to launch using Newton's Laws of Motion in order to discover for themselves the forces of motion. 

Intended for an Autism class, this lesson teaches self-expression through music while facilitating an understanding of the concept of tempo. Pupils engage in a call-and-response song, clap, discuss, and sing keeping feelings and...

Acquaint mathematicians to the concept of probability with a discussion about the results of a game. Then have them play a dice, card, spinner, or coin game and recording the number of wins vs. the number of tries on an interactive web...

Despite the difficulty of travel, the US expanded significantly between the 1800s and the early 1900s. To prepare for a performance task assessment on the rapid expansion of the US in the 1800s, class members engage in a...

Students review the concept of rule of law. They discuss how the rule of law can give society a positive view. They explore the role of the judiciary as well.