Only eight problems are on this competitive national chemistry exam. It required the balancing of chemical equations, solving stoichiometry questions, and more. This is part two of three of the national exam. Also available is a...

As part of a unit on personal safety, class members are asked to assess the level of risk in a series of 20 situations and then share their ratings, and the reasons for these ratings, with others. The goal here is for young people...

In this unit rate worksheet, students read story problems, determine important information, and write equations to solve the problem. Problems include distance, rate, cost per pound, and total cost. This one-page worksheet contains ten...

In this unit rate worksheet, students read story problems and determine the unit rate. They set up equations to solve proportion, percent and mixture problems. This one-page worksheet contains seven story problems.

In this Algebra I/Algebra II learning exercise, students solve verbal problems in which they calculate rates using the appropriate unit of measure.  The one page learning exercise contains a combination of seven multiple choice and...

Sixth graders research the Spanish influence on early colonial America and the process of establishing the present U.S. currency. They read and discuss an informational handout in small groups, and take a short quiz. Students then...

Students investigate reaction rates.  In this seventh or eighth grade mathematics instructional activity, students collect, record, and analyze data regarding how the temperature of water affects the dissolving time of a sugar...

By engaging in real life examples, learners practice measurement and conversion skills. They review a chart comparing pints, quarts, and gallons. Then, they complete a worksheet involving prices per unit. For example, they calculate how...

Students compare and contrast two routes selected for a virtual field trip. They create a data table of educational activities, lodging, and meal costs using Microsoft Excel software.

Compose and decompose sets of 13 and 14 and compare sets of each with your little learners. They use objects to construct sets of 13 and 14, record their answers, and compare sets in several different ways.

The United States will never see a time when the unemployment rate hits 0%. Why? Scholars research economic data to uncover clues hidden in the unemployment rate at any given time. A short video as well as research activities help...

Which requires more water--a bath or a shower? Given some specific criteria, learners attempt to answer the question. A video shows how long it takes to fill a gallon container using a faucet and a shower head. Using that information and...

This lesson introduces the idea of slope and defines it as a numerical measurement of the steepness of a line. Pupils then use the definition to compare lines, find positive and negative slopes, and notice their definition holds for...

If mathematicians know the secret to compound interest, why aren't more of them rich? Young mathematicians explore compound interest with exponential functions in the twenty-seventh installment of a 35-part module. They calculate future...

The cheetah is faster than Bolt. Class members watch a video of a cheetah and Usain Bolt run at record breaking speeds. The pupils come up with questions about the video. When asked, the teacher provides information relative to the...

Context is the key to understanding slope. A real-world application of slope uses a weight loss scenario with a constant rate of change to introduce the concept of slope of a line, before it makes a connection to the ordered pairs...

The members of your economics class may be busy earning graduation credits, but the credit they should be concerned about is their financial credit. The third lesson in a unit about Hurricane Katrina and other events that can result in...

Young mathematicians put their skills to the test in the real world during this four-lesson consumer math unit. Whether they are learning how compound interest can make them millionaires, calculating the cost of remodeling...

Inquiry-based learning and investigations form the basis of a deep understanding of quadratic functions in a very thorough unit plan.  Learners develop recursive and closed methods for representing real-life situations,...

Food companies understand how to use math to their advantage. Learners explore the math related to the packaging and serving size of yogurt. They then use unit analysis and percent values to make decisions on the product development.

An informative presentation covers motion, metric system, conversions, graphing of coordinates and lines, speed, velocity, and acceleration problems, as well as mean calculations. This is the first lesson in a 26-part series.

In the United States, most trains operate at a top speed of 100 miles per hour. Scholars use information on the distance and time of a train trip to determine if the train ever reaches a specific speed. They connect pieces of information...

In theory, news reports should be fair and unbiased. Young journalists test this theory by selecting a current news story covered by various media outlets about the President of the United States. They then locate and analyze five...

Cha-ching! You just hit the jackpot with this interactive consumer math unit. Supported by a series of online lessons and activities, these lessons engage students in applying their math skills to real-life personal...