While it may seem incredibly obvious to the geometry student that congruent sides make congruent triangles, the proving of this by definition actually takes a bit of work. This exercise steps the class through this kind of proof by...

What kind of functions have holes in their graphs? Here, the teacher guides the class on how to use the simplified function of a rational function to aid in the graphing of the original rational function. T-tables are used in order...

Every hopeful in your class has gone through some kind of life change, from parents' divorce to a death in the family to moving up into another grade. Encourage them to discuss these changes, the skills they used and acquired...

Do reporters write about what they see, or what they think? Examine the differences between investigative writing and opinion writing with a lesson plan from PBS. Learners look over different examples of each kind of reporting, and...

What kind of organisms are living in the stream? After an explanation on how to use a dichotomous key, groups of three to four use the keys to identify macroinvertebrates from a local freshwater stream. Using the the concept of...

A bite of bits. The first lesson in a unit of 15 introduces the class to the byte. Pupils learn about other standard units for measuring file sizes, develop an understanding of relative sizes and the kind of units used to measure...

What kind of components are needed for a computer? Through a differentiated lesson plan, individuals learn about six hardware computer components. They conduct research to determine the range of options for the components. Class...

Noah didn't construct this kind of arc. High school scholars first explore how angles can be formed in circles. They then learn relationships between angles and arcs by conducting an exploratory activity where they position and draw arcs...

What kind of impact do humans have on watersheds? Find out in a lesson plan that defines, explores, and promotes ways to protect our watersheds. The ultimate goal of the lesson plan is for learners to discover how a watershed is impacted...

Prepare class members for the SAT Writing and Language exam with a practice test that prepares students for the types of questions and the kind of language used in the exam. Test takers must select the best way to fix poorly...

The concept of slope gets an approachable, yet theoretical, treatment in a comprehensive algebra lesson. The use of functional notation and problem-solving techniques keep the material rigorous, but detailed teaching notes and lots of...

What if you were paid to attend class? What kind of payment schedule would you choose? Learn how exponential functions will eventually exceed linear functions by comparing two different payment schedules for attending class.

What happens when an online post gets the wrong kind of attention? Learners evaluate the good, the bad, and the occasionally ugly side of social media posting with a instructional activity from a vast digital citizenship series. After...

Historians use all kinds of information to make conclusions ... including statistics. Young scholars examine how two historians evaluate The Red Ball Express—a supply line staffed primarily by African Americans—using numbers. The...

Pray that you are not the prey of sharks! The class watches a video and a webcam on sharks and make observations about the different types of sharks. Learners compare two sharks and list their similarities and differences. They then...

What does the government have to do with getting a driver's license? Including the calorie count for a meal on a restaurant menu? By discussing these kinds of questions and researching how concepts behind federal, state, and local...

A short video asks viewers to think about power in new ways. The narrator suggests that there are different types of power, 10 different sources of power. After watching the video, class members study a series of scenarios and identify...

Don't feed the Internet trolls! Using a thought-provoking resource, pupils brainstorm a whole-class list of the possible kinds of bias young people may experience online. Next, in small groups, scholars create posters illustrating how to...

Scholars learn to shut down the rumor mill by asking three questions: "Is it kind?" "Is it true?" "Is it necessary?" in an 11-page packet that details three activities designed to make a difference at your school. Here, pupils run for...

Two lessons boost social awareness and spread gratitude. In the first lesson, scholars write a newspaper article that describes a conflict and ways to solve it. In the second lesson, pupils offer kindness coupons to family and friends to...

Are Civil War monuments a kind remembrance or a reminder of a dark past? The lesson focuses on the public's memory of the Civil War and the monuments that represent it. Young academics explore past efforts to change historical symbols...

Scholars select a health and/or medical science career and, using various sources, research to find out as much as they can about what the job involves. They research the kind of education and training required and the cost of that...

What kind of wind works best to make things move? After watching a short video from Curious George, super scientists answer the question by testing various wind-making tools. Learners observe, record, and share their findings.

Just like becoming proficient at playing an instrument or sport requires practice, so too does developing the skills to overcome life's obstacles. That's the big idea in the first instructional activity in a life skills course. To begin,...