Fourth graders learn about price and comparative shopping. In this price and comparative shopping instructional activity, 4th graders read Amy Axelrod's, Pigs Go To Market: Fun with Math and Shopping. They use the book to investigate the...

Rates and ratios can easily be applied to real-world situations. Learners explore a series of websites in order to procure comparable data. They define ratios and rates, view videos, and use the internet to explore how ratios and rates...

Using a table of information provided, middle school marine biologists chart data on a graph to determine the impact of water depth on coral growth in Australia's Great Barrier Reef. Then they answer questions that connect the data to...

The example of two travelers meeting somewhere along the road has been a stereotypical joke about algebra as long as algebra has existed. Here in this detailed presentation, this old trope gets a careful and approachable treatment....

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...

Nothing flows like J-E-L-L-O! In the final portion of a four-part series, pupils create scale models of microfluidic devices out of gelatin and bendable straws. They use their devices to test various flow rates in the delivery of...

Study heart health and math in one activity. After measuring their resting heart rates by finding the pulse in their wrists, learners build a stethoscope to listen to their heart rate, and note the differences between the two methods.

A set of quizzes and assessments would make a great companion to your lesson on making decisions and opportunity risks. Learners watch a PowerPoint before answering multiple choice questions about interest rates, saving money, and the...

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 economists learn about the method of predicting changes in the exchange rate with Big Macs in an instructional video. After an understanding the index, learners write a post on a discussion board and respond to class members' posts...

To conclude a mini unit on the dissolving of M&Ms® candy coating, this lesson investigates whether or not the concentration of sugar in the solvent affects the dissolving rate. Consider having older science learners write their own...

Is there a bank for the banks? Pupils analyze the complexities of the Federal Reserve system by breaking it down into easy-to-understand sections. Step-by-step investigation using flow charts and graphs of how the monetary system works...

Don't let your class's heart rates rise as you introduce them to differentiation ... an inquiry-based lesson helps them keep it in check! The second lesson in a three-part series asks learners to analyze the rate of change of different...

More than anything, this is great practice in scientific inquiry. After discovering that the color coating of an M&M® dissolves in water during a preceding activity, investigators now question whether or not the color makes a...

Investigate the growth rates of alien animals. Pupils study fictional animals from another planet to determine how much they grow per year. The investigators plot the growth of their animals over a period of time and then compare...

Don't let your brain play tricks on you! Learners test brain reaction rates while it is receiving multiple stimuli. They time each other reading a set of color words written in different colors and again when they are written in black....

Don't spill the beans ... before the end of the lesson! Learners must predict how long it takes two people working together to fill a glass with beans. A video presents the rate it takes each person independently, and another video...

Serve up a rate of percents. The Math at the Core resource investigates the percent of daily value of sodium and saturated fats in different foods. Pupils determine the number of serving sizes they eat of popular snack foods and...

In this Algebra I worksheet, students solve problems in which they differentiate between a ratio and a rate.  The nine page worksheet contains explanation, worked examples, and seventeen problems.  Answers are not...

In this economics worksheet, students respond to 10 short answer and multiple choice questions about exchange rates throughout the world.

In this related rates problem worksheet, students use the chain rule and implicit differentiation to solve related rate problems, such an writing an expression relating to the ripple of a circle. This three-page worksheet contains...

In this reaction rate worksheet, students determine the molecularity of a reaction plus show that the predicted rate law equals the experimental rate law. This worksheet has 3 problems to solve.

In this rate problem, students explore the cardiac output of a patients heart by using the dye dilution method. They determine an interval of time and set up an integral to express the exact amount flow. This two-page activity contains...

In this algebra instructional activity, students convert between units. They write expressions and simplify them. There are 4 problems with an answer key.