Curated OER
Ratio and Proportions
Students explore the means and extremes of a proportion, the how to make a scale drawing.
Curated OER
Sales Tax and Discounts
Pupils explore the concept of sales tax and discounts. In this sales tax and discounts instructional activity, students pretend to gamble in groups to win fake money. Pupils must tax their winnings. Students collect receipts. Pupils...
Curated OER
Why Does the Rule of 72 Work
In this algebra worksheet, students solve a word problem by rewriting it using algebraic symbols. They calculate the interest compounded over a period of time using the Interest Formula. This worksheet includes 1 problem and an answer key.
Curated OER
Food in History
Learners research, predict and offer solutions regarding factors that affect current or future food crops could result in economic, political or social changes.
Curated OER
Different Perspectives of Oregon's Forest Economic Geography
Students locate the many forests located in Oregon. In groups, they use the internet to research employment data on wood products made in the state. They discuss how looking at information presented in a different way can change their...
Curated OER
Browsing Music
Young scholars survey how the Internet has changed the way we listen to music. Research the powerful new music browser called SIMAC. Test the music field and see if this new concept helps to put in words on a sound track what couldn't be...
Curated OER
Area graphics for 7th graders
Students randomly select dimensions for three geometric shapes (square, right triangle and circle). From the graphs they compare and contrast the graphical results of each shape.
Curated OER
Mixed Expressions and Complex Fractions
Students are introduced to mixed expressions and complex fractions. They work through several problems with the instructor and then complete a worksheet.
Curated OER
How Are Students Doing on the AP exams?
Students compile and analyze data pertaining to College Credit AP Exams. They pose questions - Which exam is the easiest? - determine answers from their data and display their results.
Curated OER
Venn Diagrams & Word Problems
Students explore the concept of Venn Diagrams through word problems. In this Venn Diagram lesson, students solve word problems about groups of people using Venn Diagrams. Students use survey results about MySpace and Facebook in a Venn...
Curated OER
How Many Bears in the Forest?
Third graders model the tag and recapture of bears and use proportions to estimate the population of the bears in their forest. This is a statistical sampling method used by scientists and naturalists to determine population numbers.
Curated OER
Walk a Mile in Albatross Shoes
Students recognize the correlation between the trash they dispose of around their school and the environmental hazards that face wildlife, specifically the Laysan albatross. They determine three ways that they can help the albatross chicks.
Curated OER
How Cool Is Your Environment?
Students study the formulas for calculating heat energy and how to convert Celsius to Fahrenheit. They apply the formulas on a worksheet.
Curated OER
Stars and Stripes
Students design a United States flag using reasoning. They describe their design to make it easy for it to be duplicated. They share their designs with the class.
Curated OER
Credit Purchases
Twelfth graders calculate interest on purchases bought with a credit card. They use the formula I=PRT to find the interest. In pairs, they use a flyer to calculate the interest for electronic items.
PricewaterhouseCoopers
Paying for College: Understanding Financial Aid Options
With many options to pay for college, middle schoolers learn about each possibility and that continuing their education is worth the investment. They discover the difference between a grant and a loan and that some expensive colleges may...
Curated OER
Food Fat
Students evaluate snack foods based on calories and fat. In small groups, they use this information to make informed and wise food choices. Students graphically represent the fat in a food by measuring the equivalent of the food fat with...
Teach Engineering
Better By Design
Which modification is the best? Using the scientific method, pairs determine the effects of each control surface on the distance of a glider's flight. The activity, section 16 in a 22-part unit on aviation, allows pupils to gain a better...
Howard Hughes Medical Institute
Modeling Food Webs in Darién, Panama
It's a jungle out there! Young biologists journey to Darien, Panama to examine the intricate relationships between the organisms that inhabit the jungle. Groups begin by demonstrating an understanding of energy flow in ecosystems, then...
Curated OER
Constitution/Impeachment/Reconstruction
Eleventh graders analyze a chart comparing U.S. census data from 1850, 1880, 1900, and 1920. They read a handout summarizing immigration legislation from 1882-1996 and create a graph charting how open / closed U.S. immigration is over time.
Curated OER
Eco Points Score Card
Students play a game in which points are assigned to daily activities which require fossil fuels or electricity. They compare the impact their energy and transportation choices have in everyday life.
Curated OER
Gazebo Construction
Pupils create and give oral proposals for the construction of a gazebo using a blueprint created with Geometer's Sketchpad. They then build a gazebo model using the blueprints created and provide evidence why it should be selected for...
Curated OER
Determining the Age of Fossils
High schoolers examine the concept of radioactive dating. In this radioactive dating lesson, students investigate how to determine the ages of fossils and rocks as they learn about half-life radioactive decay.
Curated OER
WATER CHEMISTRY
Young scholars list reasons why water is important and investigate and graph the freezing points of different solutions.