What's one more app? After reviewing how to calculate missing side lengths or angle measures in a right triangle, pupils create instructions for a phone app to do all of the tedious work. They must consider all nine cases of known...

Explore surface area out of the box. Pairs investigate surface area by measuring two boxes and calculating the area of each side. Classmates trace one of the boxes onto butcher paper and create a net with the same area. Groups then...

Change where an object floats in water. Pupils experiment with a Cartesian diver by squeezing on the side of a plastic bottle. Learners pay attention to the bulb of the pipette as the bottle is squeezed to determine what is happening...

While COVID-19 has changed almost everything about daily life, it's also had a tremendous impact on the 2020 presidential contest. Using video clips featuring political advisors from both sides of the aisle, learners brainstorm what they...

Players push and pull their way to understanding fractions. Users play against one another or the computer in an online tug-of-war game to compare fractions. Learners choose the correct symbol to compare two fractions. Each correct...

African Americans fought in the Civil War, and they were recruited by both the Union and the Confederacy! By comparing the wording of posters—one directed at freedmen and another to the owners of enslaved people—young historians discover...

Taking calculus doesn't mean one can forget all about algebra. Viewers of an educational video learn how to determine limits using algebraic properties. They apply basic operations to calculate limits and use substitution to find one-...

Four lessons make up a unit focused on writing persuasive essays. Each unit builds on the last, ultimately taking pupils through the writing process. Scholars make a claim, create an argument, debate both sides, then state their opinion....

Infinite limits just got infinitely more interesting. The 15th of 18 installments in Unit 1 - Limits and Continuity looks at infinite limits and vertical asymptotes of rational functions. Scholars review how to determine the locations of...

Create a protective protein shell as a package. Using the included template, pupils tape together 20 triangles to create a 20-sided shape to represent the protective shell of a virus. The model of the protein shell incases the nucleic...

Soap, suds, and cell membranes. Pupils create a model of a cell membrane by using soap films. They experiment with trying to pass different objects through the film without popping it. Using a tube, they create a passageway through the...

History doesn't always reflect all sides. Academics discover how the remembered history of the Civil War differs for White and African Americans. The lesson explores how Civil War monuments and celebrations have racist connotations for...

Solutions for linear equations create solution sets. Pupils watch a video on solving multi-step linear equations. They then solve equations with variables on both sides of the equal sign, combining like terms and the distributive...

Not all Patriots were on the same page against the British before the Revolutionary War. While some wanted to use peaceful means, such as debate and petition, others used violence, such as burning ships carrying British tea. Using...

Viewers to learn how to solve a differential equation written implicitly. Pupils find out that they must first separate the variables to take the integral of each side before solving for y to arrive at a general solution for the...

The Industrial Revolution: long hours, low pay, and unsafe conditions. An eye-opening activity explores the darker side of industry and exposes the realities of child labor with photos. Scholars view four photos from the famous...

Hit the highlights. Pupils complete 20 problems to review key aspects of skills learned about polynomials. They multiply, divide, and factor polynomials along with determining the zeros of a polynomial. At the end, individuals complete...

Three activities are designed for readers of Jack London's The Call of the Wild. First, class members research and create posters that reflect the setting of the novel. Next, groups create posters with images that represent each chapter...

Readers of Lord of the Flies take on the persona of one of the characters in William Golding's novel and craft a postcard to send home describing their adventures. On one side, they create an image of the island, and on the other, they...

Take ratios of sides to a new level. Pupils learn the definitions of the three basic trigonometric ratios in right triangles. Using the definitions, scholars find missing lengths in right triangles, based on a known angle. Individuals...

After class members brainstorm a list of current social and political issues, groups each select a different topic from the list to research. Teams create a portfolio of at least 10 examples of stories about their issue, stories that...

Be on the right side of history. Scholars first learn about polio and the meetings of the 1954 Salk polio vaccine study. In groups, they select roles, such as parents, government officials, and statisticians, and decide on the best...

A lesson about resolving conflicts guides young scholars through the process of identifying emotions and reflecting on the situation, all before taking action. The lesson encourages class members to stay open-minded and listen to...

A lesson plan showcases the character trait of integrity. Scholars define the term, discuss how having integrity means being trustworthy, that one can choose to have integrity, and the significance of looking at situations from...