The story of Ruby Bridges and the case of Brown vs. The Board of Education are fantastic tools for discussing the concept of separate but equal. Kids tackle some big questions about what is fair, what is civil, and what rights or laws...

A deceptively simple question setup leads to a number of attack methods and a surprisingly sophisticated solution set in this open-ended problem. Young geometers of different strengths can go about defining the solutions graphically,...

Triangle centers and the segments that create them easily become an exercise in memorization, without the help of engaging applications like this activity. Here the class investigates the measure of center that is equidistant to the...

Geometry gets an engineering treatment in an exercise involving a belt wrapped around two wheels of different dimensions. Along with the wheels, this belt problem connects concepts of right triangles, tangent lines, arc length, and...

A instructional activity challenges scholars to analyze editorial cartoons created by Fred Seibel, illustrator for the Times-Dispatch, during the Massive Resistance. A class discussion looking at today's editorial pages and Jim Crow...

Young historians closely examine the words of Abraham Lincoln's Gettysburg Address with this primary source analysis worksheet.

Polynomials are full of solutions! Learners understand that the degree determines the number of solutions. Examples show quadratic equations solved by factoring and by using the quadratic formula. A cubic equation is even mixed in for...

Here is your go-to student resource on primary geography concepts, including facts about the surface of the earth and its hemispheres, latitude and longitude, globes, types of maps, and identifying continents and oceans.

Militaries throughout history have used topography information to plan strategies, yet many pupils today don't understand it. Scholars use Legos and a contour gauge to understand how to construct and visualize topographic profiles. This...

How can learners evaluate research sources for authority, accuracy, and credibility? By completing readings, discussions, and graphic organizers, scholars learn how to properly evaluate sources to find credible information. Additionally,...

What do fractions and rational expressions have in common? Everything! Learners use common denominators to solve rational equations. Problems advance from simple to more complex, allowing pupils to fully understand the material before...

Help learners discover the unique characteristics of the tangent function. Working in teams, pupils create tables of values for different intervals of the tangent function. Through teamwork, they discover the periodicity, frequency, and...