Even though there is a wide variety of different triangles in the world, knowing a single equation allows us to find the area of each and every one of them. Follow along with this step-by-step presentation as Zoe clearly models how to...

Factor in different strategies in a lesson 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 how they can...

It's time to put the plan into practice. Using their plans from the previous lesson, scholars create multimedia and visual displays for their opinion speeches. Next, they watch videos of speeches and use a presentation rubric to evaluate...

Imagine 28 instructional strategies, appropriate for all subject areas and all grade levels. Directed Reading-Thinking Activities (DRTA), Question-Answer Relationship (QAR) activities, KWL charts, comparison matrixes, classification...

This is a good model for learners to visualize triangles of the same base and height. They can can begin to comprehend that these triangles will have the same area no matter how the triangle is drawn. It is part of a series of resources...

As Ken Jennings said, "There's just something hypnotic about maps." Certainly, the longer you look at them the more you can learn. In this project-based learning lesson, individuals study both historic and present-day maps of...

Multiply your understanding of multiplying fractions. A short lesson plan teaches pupils how to multiply fractions. By using fraction models, they get a better understanding of the concept.

Circles are the foundation of many geometric concepts and extensions - a point that is thoroughly driven home in this extensive unit. Fundamental properties of circles are investigated (including sector area, angle measure, and...

Make the connections between area, tiling, and multiplication. A performance task and associated unit presents the concept of area and makes the connection to multiplication. Pupils work through three major sections of instruction that...

When a levee fails, it means disaster. Introduce your class to hurricanes and the technologies used to help protect against them. The included presentation provides background information using Hurricane Katrina as a reference. 

What else does physical health include besides exercise and nutrition? How can I support my mental health? Does social health just refer to relationships with friends? How are all of these questions vital to the body's overall efficiency...

Let's get the equation set. Pupils see the importance of setting up an one-variable equation in the first of two lessons on optimization problems. The presenter works four different types of problems before individuals use the included...

Africans transported to the Caribbean as part of the transatlantic slave trade brought with them a rich tradition of music and dance. Four lessons teach young musicians the rumba clave rhythm, cascara rhythm, and the 6/8 bell patterns...

In May of 1981, the Winter Park Sinkhole in Florida first appeared and is now referred to as Lake Rose. Scholars learn about the causes of sinkholes through an inquiry project. Then, they analyze recent data and draw conclusions to...

Concept muraling helps learners improve their comprehension of a text by giving them a way to organize their understanding of the key concepts in that text. Introduce readers to this process with a carefully scaffolded lesson that models...

A research position becomes a modeling job. The introductory instructional activity in a series of nine presents the challenge of analyzing a set of bivariate data. The class brainstorms what the data may represent. Pupils must decide...

My, what big energy potential you have! Scholars learn about the energy potential of using algae as a biofuel. A PowerPoint presentation first describes the structure of algae and then how researchers use algae as biofuel to produce energy.

Why are Torrey pines only found in La Jolla, California and on Santa Rosa Island? Class members examine images of Torrey pines from these two locations, noting the similarities and differences, and then develop a demonstration model that...

Open learners' eyes to the challenge of finding safe drinking water – something we often take for granted in our country. The PowerPoint presentation includes images, graphs, diagrams, and even a video to stimulate discussion on how we...

It's not so straightforward — lines can model a variety of applications. Pupils experience linear relationships within the context of science, including Hooke's and Ohm's Laws. Class members got a taste of motion and speed from the...

Could you live without your phone? What about cars, steel, or clothing? Class groups collaborate to produce presentations that argue that either the telephone, the gramophone, the automobile, the textile industry, or the steel...

It takes a strong foundation to build a house and a stronger one for a bridge. This resource presents the effects of geology and soil on bridge foundations. Working in groups, the class investigates the interaction of shallow and deep...

It's hot today, but is that the weather or the climate? This colorful presentation isolates both concepts to allow for better understanding by covering the positioning of the planet, making comparisons of land versus water, and looking...

One thing that puzzles a lot of young algebrists is the factors in a word problem that are taken as "understood". This presentation on solving systems of linear inequalities does a great job walking the learner through how to tease those...