How does a bank make money? That is the question at the based of a activity that explores the methods banks use to calculate interest. Groups compare the linear simple interest pattern with the exponential compound interest pattern. 

Aspiring astronomers study stars. They compare stars and explain the relationship between radius, mass, and diameter. By creating a star simulation, they discover how a binary star system's orbit can cause changes in the observed...

Here's something unusual and thoughtful: have your scholars do some pensive reflection themselves before tackling how such meditative techniques are used in prison rehabilitation programs. They watch the...

In this decimals worksheet, students complete problems involving decimals, percents, fractions, word problems, and charts. Students complete 72 problems total.

Students explore proportions and ratios. In this solving percent problems lesson, students examine percent problems including tax and percent of change.

In this fractions to percents worksheet, students solve 6 problems, converting fractions given to percentages. Students may click on hint or check answer buttons.

In this converting fractions to percents worksheet, students complete ten problems where they must change a fraction into a percent. There is an answer sheet provided.

Take a functional approach to the national debt. Learners collect information about the national debt by decade and plot the data. They determine whether an exponential curve is a good fit for the data by comparing the percent changes...

Free clothes? In the middle school assessment task, learners first consider whether four 25 percent reductions will result in a sale price of $0. Mathematicians then determine the sale price and discount percentage of such a sale.

Everyone loves a sale! As pupils investigate a sale on t-shirts, they determine the percent discount and original prices.

The original drawing is eight units — how big is the scale drawing? Classmates determine the scale percent between a scale drawing and an object to calculate the length of a portion of the object. They use the percent equation to find...

Arctic sea ice reflects 80 percent of sunlight, striking it back into space; with sea ice melting, the world's oceans become warmer, which furthers global warming. These activities explore how humans are impacting ecosystems around the...

The effects of rising sea levels on Isle de Jean Charles, located off the coast of Louisiana, are documented in Emmanuel Vaughan-Lee's poignant short video. Viewers are asked to consider not only the plight of residents but also what...

Keep track of a state's population. After a brief discussion on how population data is used for funding, individuals look at population changes over time. Pupils find the population of two states using three different censuses. They then...

Analyze trends in the stock market using histograms. Future economists use data presented in a histogram to find periods of greatest increase and decrease. They also draw conclusions about days that would be best to invest.

Oceans absorb half of the carbon dioxide and 80 percent of the greenhouse gases released into the atmosphere. Scholars learn how and why the oceans store heat more effectively than land and how they help mitigate global warming. Pupils...

What a big job for such a small particle. Young scientists learn about the role of nanoparticles in catalytic converters for cars. They conduct an experiment to create alginate-MnO2 catalytic spheres. 

Have you been to Torbury Fair? In the set of four lessons, learners solve a myriad of problems related to a music festival, including situations involving floods, market stalls, cows, and emergency plans. 

Media often misrepresent data and statistics to their advantage. This lesson asks scholars to analyze an article with misleading statistics. They use margin of error and mean data in their studies. Once they complete their analysis,...

For kids, taking a vacation is all fun and games, but after completing this pre-algebra project, they'll have a whole new appreciation for the planning that makes these trips possible. Given a budget of $5,000 to spend on purchasing the...

Fresh off the press, these math newsletters will challenge the problem solving skills of your young mathematicians. With an incredibly wide variety of questions covering the topics of arithmetic and geometry, these unique...

Monarch butterfly populations have decreased by 90 percent over the past 20 years due to misuse and ineffectiveness of some pesticides. Given the challenge to increase pesticide safety and effectiveness, the class, through discussion,...

Ninety-seven percent of scientists who study climate agree that human activity is warming the planet. Learners explore carbon dioxide as a greenhouse gas, a gas causing this warming, through a hands-on experiment. Once complete, they...

An assessment presents a chart displaying oil consumption Pupils use the chart to determine the greatest increase in consumption, and then apply that information to figure out when the consumption may reach 100 million barrels a day.