Can segments be considered perpendicular if they don't intersect? Learners look at nonintersecting segments on the coordinate plane and make conclusions about the lines that contain those segments. They determine if they are...

How similar do figures have to be to be similar figures? Individuals learn to identify similar figures by verifying that angles are congruent and sides are proportional. Additionally, they match the corresponding parts of similar figures.

Explore rigid motion transformations using transparency paper. Learners examine a series of figures and describe the transformations used to create the series. They then use transparency paper to verify their conclusions. 

How has the Internet of Things affected our lives? Scholars examine the massive influence of mobile devices in this analysis lesson, which begins with a seven-minute documentary clip. They also read a New York Times article (linked)...

Is there a relationship between powers and roots? Here is a lesson that asks individuals to examine the graphical relationship. Pupils create a table of values and then graph a square root and quadratic equation. They repeat the process...

Can you support the argument that the decimal 0.99999 ... is equivalent to the number one? The seventh installment in this 25-part module gives convincing support for this conclusion. Pupils write infinite decimals using powers of 10....

Don't give your classes the third degree. Use radians instead! While working with degrees, learners find that they are not efficient and explore radians as an alternative. They convert between the two measures and use radians with the...

Students explore organisms and botany by utilizing microscopes. In this microscopic research lesson, students define many plant and organism related vocabulary terms such as conifers, moss and spores. Students view spores and other...

Difficult redistricting concepts are covered in a context that will make it understandable to your government scholars. They begin with a KWL on the term redistricting and then watch a video to answer some questions. They...

Explore nutrition and healthy eating habits with a study on youth obesity. Learners watch a PBS documentary on the obesity epidemic which discusses government programs aimed at healthier choices, as well as more localized efforts. Kids...

Fifth graders observe real bones and models to learn about the structure and function of the skeletal system. In this skeletal system lesson, 5th graders manipulate objects and models of bones. They handle real bones and determine the...

Pupils are introduced to the topic of legends. Using the text of Irving's novels, they gather information on different cultures. They practice using new vocabulary and their listening skills. They retell the stories in chronlogical order.

Students explore the human body by conducting an exercise in class. In this human anatomy lesson plan, students view a diagram of the human body and identify the specific bones and joints that allow us to perform specific exercises like...

Young scholars compare and their performance of a series of tasks using their thumb and fingers to their performance of the same tasks without the use of their thumb. The class discussion that follows the activity defines and discusses...

Learn through constructions! Learners examine a translation using constructions and define the translation using a vector. Pupils then construct parallel lines to determine the location of a translated image and use the vector as a guide.

Learners discover the power of their heart and provide an opportunity to talk about ways to maintain good health. In this early childhood heart lesson, students diagram a human heart, identify exercises that promote a healthy heart, and...

Young scholars pretend to be enzyme that breaks toothpicks in timed intervals. They complete calculations to determine how many toothpicks are broken per second to determine the rate of reaction of the enzyme.

Learners explore their perspectives of different occupations, discover what life skills will be valuable to them in whatever career path they choose, and discuss important terms related to the work environment. 

Define parallel lines through transformations. The third lesson of 18 examines the result of the translation of a line. Two possible outcomes include coinciding lines and parallel lines.

Discover the relationship between tangent lines and the tangent function. Class members develop the idea of the tangent function using the unit circle. They create tables of values and explore the domain, range, and end behavior of...

Students examine the problem of bullying in Japanese schools. They practice using new vocabulary found in the article and work together to answer questions. They discuss their answers as a class.

Eighth graders in a remedial reading class are introduced to detective fiction by Edgar Allan Poe and Sir Arthur Conan Doyle. After reading about their lives and work, they define new vocabulary and practice using a guided reading...

There are an infinite number of points on a circle; can you find nine of them? After putting together a nine-point circle, pupils use constructions and their knowledge of triangle segments to determine the center of the circle. Learners...

Students watch a news story about ex-President Gorbachev getting involved in a piracy case in Russia. After reading three statements about piracy, they choose the one that best fits their own views. In groups, they discuss each topic...