It seems the post office has run out of stamps! Learners build all the values of postage available if the post office only sells five- and seven-cent stamps. The task provides an opportunity to create an expression in two variables and...

Explore the effect of outliers through an analysis of mean, median, and standard deviation. Your classes examine and compare these measures for two groups. They must make sense of a group that has a higher mean but lower median compared...

Discover relationships between linear and nonlinear functions. Initially, a set of data seems linear, but upon further exploration, pupils realize the data can model an infinite number of functions. Scholars use multiple representations...

Model geometric concepts through a hands-on approach. Learners apply similar triangle relationships to solve for an unknown side length. Before they find the solution, they describe the transformation to help identify corresponding sides.

Teach solving absolute value inequalities through inquiry. Groups use their knowledge of absolute value and solving inequalities to find a solution set to an absolute value inequality. Working collaboratively encourages discussion,...

Grow an equation for the exponential graph. Given a graph of an exponential function, class members write the equation of the function provided. The graph labels two points on the graph: the y-intercept and the point where x is one.

Ready to take your chemistry class on its first big lab adventure? Dive in to differentiation between chemical and physical changes with a thoughtfully designed set of experiments! Partners conduct a series of reactions, describe their...

Drinking straws are a pretty simple device ... or, are they? Explore the possibility of sipping a beverage 30 feet away with an engaging activity that's sure to keep pupils guessing. Just place a long piece of plastic tubing in a glass,...

But it's just a game! Learners play a game to learn basic concepts of statistical hypothesis testing. After using the digital-game module, pupils develop their own statistical hypotheses and test them.

How do you handle conflict? Individuals look inward to determine their own conflict style through group discussion and a short quiz. The sixth installment in a series of 15 conflict management lessons examines how our feelings and...

Build the model right out of the box. A few sample items show teachers how Smarter Balanced assessments may approach Claim 4, modeling and data analysis. Pupils use their skills to create equations or expressions to model the situation...

The Hardy-Weinberg principle states that alleles and genotypes remain constant in the absence of evolutionary influences. Scholars complete a simple hands-on activity applying the Hardy-Weinberg principle to sample data. They observe how...

Does it seem impossible to make academic growth with advanced learners? Without rigorous instruction, it likely is impossible. The AP® English Language and Composition: The Rhetoric offers a complete resource for educators teaching...

Experimental design can make or break an experiment. Young scholars analyze the pulse-chase analysis procedure by studying the Meselson-Stahl experiment. Using a video presentation, they discover how the pulse-chase analysis led to the...

Create a geometric playground. Pupils work through a performance task to demonstrate their ability to use geometric concepts to solve everyday problems. The accompanying engineering design lessons show teachers how the assessment works...

How much do your classes know about electricity and magnetism? A complete elementary unit on the topic begins with a pre-assessment to gauge their understanding prior to instruction. Items include questions about the properties of...

Mercy! It's a wise teacher that knows their own students and what they need to appreciate Shakespeare's Merchant of Venice. A 28-page tool kit ensures that every scholar will play a part. The kit is divided into 20 sections, each of...

Keep your class afloat with a hands-on density lesson. The challenging lesson has learners experiment with different materials to compare their densities. They learn that increasing or decreasing the amount of the material doesn't change...

Energize biologists with colorful images in an activity that captivates the imagination while demystifying the subject of cellular respiration. Participants build comprehension skills and access core content knowledge by analyzing text...

Do all lunar eclipses look the same? Find out in an activity where astronomers use the Danjon Scale of Lunar Eclipse Brightness to describe the color and brightness of the moon during an eclipse. Explorers make three observations using...

Moisture can affect air temperatures and so much more! An analysis of NASA soil moisture data allows pupils to make connections between climate and weather features. They first review general data and then select a specific location to...

There is a strong need for workers skilled in trades (agriculture, construction, transportation, the service industry, manufacturing, industry). Middle schoolers listen to an interview with a tradesperson and then go online to...

Part three in the series of seven has pupils discussing the different greenhouses gases, learning about the carbon cycle, and then watching a short video about the carbon cycle. Based on their knowledge, individuals complete a greenhouse...

How dry is it? It's so dry, the river only runs twice a week! Through an analysis of maps and discussions, pairs learn about droughts across the United States in the ninth of 12 lessons. They then read about, answer questions, analyze...