Learners explore the concept of number theory. They discuss an assortment of number theory topics such as prime numbers, composite numbers, GCF, modular arithmetic, and others in a lecture style discussion. Pupils view videos about these...

A standard peer editing activity, young writers get into groups and pass their papers to each of their peers in turn; each person checking their peer's paper for spelling, punctuation, and grammar mistakes. In a fun twist, your class...

Scientist work with negative integer exponents all the time. Here, participants will learn how to relate negative exponents to time and to generate equivalent numerical expressions. Learners will apply the properties of integer exponents...

Young astronomers follow a step-by-step procedure for dividing a lump of dough into parts, resulting in a scaled volume set of puny planets. Along with the printable directions is a template chart of planet names on which learners can...

High schoolers analyze common logos they see daily and describe what the logos bring to mind. They redesign a company logo incorporating the company's philosophy into their sketches. Students present their findings and redesign to the...

Students examine the grid in terms of a method of organization in our society as well as graphic design. In this "Making and Breaking the Grid" instructional activity, students design solutions to common problems and draw conclusions...

How would Jean-Etiénne Liotard paint the characters from "The Little Mermaid?" What would the main character from "The Little Match Girl" look like from Francisco José de Goya y Lucientes' point of view? After examining various paintings...

Tenth graders identify the different types of depression. In this series of health lesson, 10th graders discuss the most common reasons why teens think about suicide. They create a story board about scenarios present and present their...

Bilateral suborbital hematoma? Call an audible? 404? Have fun with “the twittering or warbling of birds,” or as 14th century French speakers would say, have fun with “jargon.” Groups match specialized jargon with plain speech, decode...

Lost! (or misplaced) a modifier. Last seen dangling at the end of a sentence! Reward offered! To underscore the humor, class members are each given a sample sentence to illustrate (A woman passed by, leading a Springer Spaniel, in a...

Dr. Martin Luther King, Jr.'s "Letter from Birmingham Jail" serves as an exemplar for a mini-lesson on semicolons. Working alone or in small groups, class members first circle all the semicolons in the letter, and then consider how this...

Identify the identity. Learners first solve equations to find the number of solutions. Scholars then determine if given equations are always, sometimes, or never true, leading to the concept of identities.

Discover the classic example of periodicity: Ferris wheels. Young mathematicians learn about trigonometric functions through Ferris wheels. They match functions to their graphs and relate the functions to the context.

Functions help make the world make more sense. Individuals model real-world situations with functions. They match a variety of contexts to different function types to finish a helpful resource.

Wouldn't it be great to work in a candy factory? Learners get their chance as they first design a carton for a candy that meets certain requirements. They then examine and analyze nets and explanations in sample student responses.

Are you being watched? Class members determine where to place security cameras protecting a shop. They then evaluate their own and several provided solutions.

Having problems with proportions? Then solve these proportion problems with an exercise that asks learners to first individually solve a set of problems involving ratios and proportional reasoning. Groups then discuss provided...

Don't stuff money under your mattress. To find out why learners first complete a task determining how $24,000 in cash would affect the height of a mattress and whether this same amount would fit into a suitcase of given dimensions....

High schoolers attempt an assessment task requiring them to find the radii of inscribed and circumscribed circles of a right triangle with given dimensions. They then evaluate provided sample responses to consider how to improve...

Linear equations are the focus of activities that ask learners to first complete a task that involves interpreting algebraic expressions and solving linear equations. They then take part in a card activity matching...

Scholars first complete an assessment task on writing linear equations to model and solve a problem on a running race. They then take part in a card matching activity where they match equations and graphs of lines to diagrams of fluid...

Young scholars write and solve linear equations in one variable based on descriptions of the operations that are applied to the unknown variable in an algebra machine. They then create their own problems for classmates to solve.

A new, improved version of the game Battleship? Learners graph linear inequalities on the coordinate plane, then participate in a game where they have to guess coordinate points based on the solution to a system of linear...

Going around in circles trying to find a resource on sectors of circles? Here is an activity where pupils first complete an assessment task to determine the areas and perimeters of sectors of circles. They then participate in an...