What's similar about congruent and similar polygons? Young mathematicians first measure the side lengths and angles of given figures. They use these measurements to determine relationships between side lengths and angles of congruent and...

In this dilations and similarity activity, pupils solve 10 different problems that include various dilations. First, they determine the scale factor of dilations found in the illustrated graphs. Then, everyone determines the coordinates...

A read-aloud anthology highlights how one story differs depending on where it comes from. Scholars listen carefully to familiar and new stories, participate in discussions, and complete word work practice. Extensions for each lesson...

Introduce your class to various reptiles and amphibians. They will meet and identify a representative from each of the four major reptile families, then learn about and discuss reptile characteristics. Next, they will identify and...

Upper graders explore the similarities, differences, and depth of pop music from the Romantic era and the 20th century. They listen to selections that exemplify the Baroque, Romantic, and 20th century periods, then create presentations...

"That man is not truly one, but truly two." The Strange Case of  Dr. Jekyll and Mr Hyde offers readers a change to craft a poem combining words and phrases from Robert Lewis Stevenson's novella to create a poem...

Explore San Francisco's Chinatown in a lesson about the first few chapters of The Joy Luck Club by Amy Tan. Kids research Chinatown on the Internet and create a virtual tour of the neighborhood, including the foods, cultural events,...

Does the symmetry and transitive property apply to similarity? The 10th segment in a series of 16 presents the class with a group of explorations. The explorations have pairs show that similarity is both symmetrical and transitive....

Congruence and similarity apply to functions as well as polygons. Learners examine the effects of transformations on the shape of parabolas. They determine the transformation(s) that produce similar and congruent functions.

Practice comparing and contrasting details in informational text with a reading passage about whales. It explains the ways that fish and whales are similar, as well as the ways they are different, and specific characteristics of various...

Students taste test the garden. In this Science lesson, students compare and contrast plants and animals needs. Students pick fruits and vegetables in the garden and discuss their observations.

Not all compare and contrast assignments have writers compare and contrast in the same way. Some only ask for comparisons, others only ask for contrasts, and many require more focus than a simple list of similarities and differences....

Who were Aaron Burr and Alexander Hamilton? High schoolers examine the character traits of these historical figures and watch the video, The Duel. Hamilton vs. Burr: An Event that Changed History (available from PBS), to gain...

Proving triangles are similar is often an exercise in applying one of the many theorems young geometers memorize, like the AA similarity criteria. But proving that the criteria themselves are valid from basic principles is a great...

Gaining practice in translating a verbal description into a diagram and then an equation is the real point of this similar triangles exercise. Once the diagram is drawn, multiple methods are provided to reach the conclusion. An effective...

Six questions make up an interactive designed to boost scholars' knowledge of integers. Mathematicians move symbols over a horizontal number line to aid in findings answers between 10 and negative 10. Question types include...

Consider the role that shari'ah played in the development of Muslim civilization during the Abbasid caliphate. Learners become acquainted with both the religious and scholarly basis of Islamic law to help them understand the differences...

Learners explore the concept of diversity. In this inclusion instructional activity, students discuss similarities and differences among learners in their class, identify the benefits of diversity, and write personal commitment...

Students locate Japan on a globe, name the major physical features, and describe the physical environment. They survey the differences and similarities between the life and culture of Japanese young people and American young people.

In this angular size and similar triangles activity, students use the properties of similar triangles and the ratios of sides to solve for unknowns in given diagrams.

North and South: two opposite directions and two opposite economic and social systems in time of the Civil War. Pupils peruse census websites and primary source photographs to understand what life was like for the everyday person before...

Young historians compare and contrast differences in the laws that regulated the activities of slaves and servants. They review and analyze a series of primary source documents to explain the social constructs related to slaves and...

Students investigate penguins. In this Science lesson, students compare and contrast penguins to flying birds. Students use a Venn diagram to illustrate the differences and similarities of penguins and flying birds.

Even, odd, or neither? Pupils study even and odd functions using a well-balanced interactive. They determine whether a given function is even or odd from its graph.