The brother-sister pair Carlos and Clarita need your class's help in developing their new pet sitting business. Through a variety of scenarios and concerns presented to the siblings, the learners thoroughly explore systems of equations...

Solving an equation is the art of creating simpler equivalent equations using properties of equality. Here, classes see that solving an equation is not always as easy as guessing. The lesson presents linear equations that scholars must...

Factor in different strategies in a instructional activity for factoring quadratics. Young mathematicians first create tables and area models to factor quadratic trinomials into two binomials by guess and check. Learners then investigate...

Class groups bring feeling words alive by creating a poster that illustrates with images and colors, but not words, the feeling conjured by the word. The posters are then combined into a mural for the classroom wall.

Through a variety of physical and theoretical situations, learners are led through the development of some of the deepest concepts in high school mathematics. Complex numbers, the fundamental theorem of algebra and rational exponents...

Where does our garbage go? What is the difference between a recyclable and non-recyclable item? Pose these important, but often overlooked, questions to your class and invite them to consider the lasting and damaging effects of the...

Attracting the right mate is as important for humans as any other species. An interesting lesson teaches individuals about several strategies that animals and plants have adapted to attract their mates. From colorful nests to powerful...

Young foresters examine the strategies, like prescribed burns and thinning, that are employed to ensure healthy forests.

Practice solving linear equations by graphing. Scholars learn to solve multi-step linear equations in one variable by graphing both sides of the equation separately. They use graphing calculators to find the intersection of the graphs.