Curated OER
Severe Weather - Deciding Where to Live
Students recognize the variety and frequency of severe weather occurrences. They research the type of severe weather that may occur in their area as well as determine the frequency of occurrence.
Curated OER
An Academic, Economic, Cultural, and Political Lesson Plan
Students reflect on how many board games they've played have African Americans, their culture or history incorporated within. They identify four street games and three card games that appeal to African Americans. They play the...
Curated OER
Ozone
Students locate the ozone layer of the atmosphere. They explain natural formation of ozone. They list chemicals that react with ozone. They explain how CFC's destroy ozone.
Curated OER
DETERMINING THE EXISTENCE OF GENDER BIAS IN DAILY TASKS
Students identify task assignments by gender.
Curated OER
Aruba Cloud Cover Measured by Satellite
Students analyze cloud cover over Aruba. They compose and submit written conclusions which include data, analysis, errors in data collection, and references.
Curated OER
H2O in Us
Students discover through this activity that all organisms are composed of water. They find that 70 percent of their bodies are made up of water that is in thier cells and blood, and not free-flowing throughout their body.
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...
BBC
Bbc: Ks3 Maths: Percentages
KS3 Math provides interactive activities on percentages, using pence and pounds. Use the factsheet for percentage information. You may use the worksheet for percentage practice and take the test provided to check your percentage skills....
Calculator Soup
Calculator Soup: Percentage Calculator
Find a percentage or work out the percentage given numbers and percent values. Use percent formulas to figure out percentages and unknowns in equations. Add or subtract a percentage from a number or solve the equations.
InterLink Language Centers
Interlink Language Centers: Calculators and Converters
Conversion calculators for English language learners. Includes calculators for converting temperature, currency, measurement, time, distances, and percentages. Java is required.
Math Drills
Math Drills: Percents Worksheets
Download these worksheets to sharpen your percent calculation skills. Sheets focus on the percentage of a number, percentage rate, and percentage increase/decrease.
Math Open Reference
Math Open Reference: Percent
Explore percents with this easy reference guide. Learn how to convert fractions to percents and percents to fractions. Try the sliding bar to see how a percentage is calculated. Detailed explanations and examples are included.
National Council of Teachers of Mathematics
The Math Forum: Beat the Calculator!
Find more than 500 "mental calculation tricks" that will help you square numbers, add, multiply divide, subtract, and find percentages. A great resource for advance math students, gifted children, and teachers wanting to find ideas for...
Cuemath
Cuemath: Percentages
A comprehensive guide for learning all about percentages with definitions, how to calculate them, solved examples, and practice questions.
Hopelink
Hopelink: Teaching Percentages
Students can brush up on percentage skills with this lesson and calculate percentages using the "Percent Tricks method." For students to successfully use this method, they must have the ability to multiply and divide whole numbers.
Primary Resources
Primary Resources: Percentages
A selection of teacher resources dealing with percentages. There are worksheets and PowerPoints available to download.
Lawrence Hall of Science
The Math Page: Skill in Arithmetic: Percent With a Calculator
This tutorial explains how to use a calculator to find a percent. There is also a practice section at the end of the lesson.
PBS
Pbs: The Lowdown: The Math of Trash: Percents and Proportions
Discover how percents and proportions help explain issues like climate change, composting, and zero waste in this video from KQED. In the accompanying classroom activity, students estimate the percentage of various types of trash that...
PBS
Pbs: Real Life Math: Physical Trainer
The general manager of a fitness center explains how numerical calculations, percentages, and ratios are critical to his job in this video from KAET. In the accompanying classroom activity, students explore percentages, fractions, and...
E-learning for Kids
E Learning for Kids: Math: Fashion Store: Fractions and Decimals
On this interactive website students practice various math skills using a real-life scenario by picking out clothing. Those skills include calculating percentages using fractions and calculating the new cost of a product after a...
National Council of Teachers of Mathematics
The Math Forum: Finding 2.5 Percent of a Number
This site provides shortcuts and hints on how to do more complicated percentages without a calculator. For others beside 2.5, scroll down the left column and click percentage of choice under "Percents."
National Council of Teachers of Mathematics
Ntcm: Math Challenge: Perplexing Percentages
Test your bargin shopping skills by figuring out which discount offers the greatest savings. A one page activity from the NCTM Math Challenges for Families series that focuses on understanding and calculating percentages. Connections...
Homeschool Math
Homeschool Math: How to Calculate Percentages
Learn how to calculate percentages in this easy lesson.
AAA Math
Aaa Math: All About Percents and Ratios
This AAA Math tutorial covers calculating percents, relationships of percents to fractions and decimals, and uses of percents.