Where in the world (or at least in the coordinate plane) is the third vertex? Given two coordinate points for the vertices of a triangle, individuals find the location of the third vertex. They read an account of fictional...

If at first you cannot graph, substitute. The lesson introduces the substitution method as a way to solve linear systems if the point of intersection is hard to determine from a graph. The 28th installment of a 33-part series finishes...

I'm compressed. Groups do a rapid research of different file types to determine what kind of compression the formats use and how it works. They share their information with the rest of the class until everyone has all the information for...

Election years provide the opportunity to evaluate news media as well as the next prospective president. High schoolers read about the same event in several different news sources, varying in type, origin, and political leaning,...

How can a screenplay create meaning and drama in ways that other forms of writing cannot? That is the question class members must answer as they compare the cantina scene of the screenplay for George Lucas's Star Wars: A New Hope...

Engineering design projects serve as great opportunities for collaborative problem solving. In this case, learners work in small groups designing, building, and eventually testing a structure that meets a teacher-specified objective. It...

Incorporate technology into a literature lesson with an innovative language arts lesson. Middle schoolers read an electronic version of original stories or fairy tales, and after determining the point of view, rewrite the tale from...

So the mean is not always the best center? By working through this exploratory activity, the class comes to realize that depending upon the shape of a distribution, different centers should be chosen. Learners continue to explore...

A real-world approach to common multiples asks learners to find different groups of flowers based on their multiples. Useable as a class activity or independent exercise, they will have to organize their thoughts to explain the totals of...

Help scholars understand the history, geography, traditions, and art of Dia de los Muertos, the Day of the Dead. Find background information for your reference as well as a detailed cross-curricular lesson plan. Learners compare...

If you are teaching fractions to elementary learners this year, this Singapore Math presentation is essential to your curriculum. It addresses several basic fractions concepts in conceptual terms and figures, making each idea accessible...

Transform young biologists into grasshoppers, lizards, and hawks as you teach them about food chains in an interactive life science simulation. Working collaboratively to act out three different scenarios involving...

Vocabulary really adds up with magic squares! Using words from Shizuko's Daughter by Kyoko Mori, kids line up words and definitions to come up with the same sum across and down the square.

Never forget how to add, subtract, multiply, or divide fractions with a two-page document detailing each operation. 

Enhance your states of matter lessons with a hands-on science investigation that compares six different balls' color, texture, size, weight, ability to bounce, and buoyancy. 

Here, second graders are tasked to find the patterns that have an even number of tiles. They are asked to think about why these patterns are even or odd and explain how they know.

Everyone loves a lesson that involves throwing things around! To understand probability, your experimenters will predict how different cylinder-shaped objects will land when tossed. When the data is collected, they will calculate the...

Help young scholars see the important role camouflage plays in the survival of animals with a fun science activity. Starting with an outdoor activity, children take on the role of hungry birds as they search for worms represented by...

Whether you're lost at sea, lost in the woods, or testing communication skills, teamwork is always important. Build your middle and high schoolers' cooperative and collaborative skills with four activities that prompts groups to compete...

Here is an activity that merges technology with life skills as individuals use Google Earth to explore the differences between coordinate systems and map projections. The self-guided worksheet is the fourth segment in a nine-part unit....

What does stretching a balloon have to do with equilibrium? Groups explore preconditioning by stretching a balloon to a point of equilibrium. They then measure the amount of force required to stretch the balloon to the same point several...

Explore angle relationships associated with transversals. Pupils construct parallel lines with a transversal and find the measures of the angles formed. They figure out how the different angles are related before constructing...

Thanks to this game, teaching isotopes will never be the same. Physical science scholars work their way toward understanding isotopes in an entertaining game. Pupils play rummy in groups while practicing good sportsmanship and creating...

All rocks include two or more minerals but greatly vary in appearance. The online interactive encourages scholars to match the rock types to the facts they know about each. They then complete three grid puzzles reviewing the same...