Curated OER
Percents
There are many ways to look at percentages. Here are eight problems to practice the different ways to calculate percentages based on how the question is asked. There are no examples, just practice problems.
Curated OER
My Test Book: Calculating Percents
In this online interactive math skills worksheet, learners solve 10 multiple choice math problems that require them to calculate percents. Students may view the correct answers.
Curated OER
How Much Ocean?
In this ocean worksheet, learners are given a map of the world and they predict the amount of water that covers the Earth's surface. They count the total number of squares on the given map that represent the water and they land and they...
Curated OER
Stock Charting: Percentages and Profits
High schoolers discuss and use a formula to calculate "Percent of Change." They duscuss the stock market and ways reports are quantified. Students watch as the teacher demonstrates how to create a spread sheet to calculate changes of a...
Illustrative Mathematics
The Price of Bread
As part of an initiative to strengthen our young adults' financial understanding, this problem explores the cost of bread and minimum wage since the 1930s. Learners are asked to find the percent increase from each year and compare it...
CCSS Math Activities
Sandwich Shop
Eat up the task on systems of equations. Given information on the total number of sandwiches and the total income, learners write and solve a linear system of equations to find the number of each type of sandwich sold at a shop. They...
Curated OER
Money and Percentage
Fifth graders examine use of percentages in real world situations. They complete worksheet about using percentages after reviewing the concept. They look through newspapers to find examples of percentages used over the course of three...
Council for Economic Education
Loan Amortization - Mortgage
When you buy a home for $100,000, you pay $100,000—right? On the list of important things for individuals to understand, the lesson presents the concept of interest rates and loan amortization using spreadsheets and online sources....
Mathematics Assessment Project
25% Sale
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.
Illustrative Mathematics
Sharing Prize Money
When three classrooms are to split up prize money, your mathematicians must find the percentage that each class deserves and calculate the total amount. There is an option to use a calculator and practice rounding.
West Contra Costa Unified School District
Interest and the Number “e”
Make a connection between different types of interest and how they are calculated! This algebra II lesson progresses from simple interest to compound interest to continually compounded interest. Formulas are developed rather than given,...
Virginia Department of Education
Partial Pressure
At some point, everyone has been under pressure—even Dalton! Explore Dalton's law of partial pressures with young chemists as they measure the volume of air extracted from a sample compared to its original volume. Class members perform...
Willow Tree
Weighted Averages
Mixtures, weighted percentages, and varying speeds make problem solving difficult. The resource give learners a strategy for tackling these types of problems effectively.
Balanced Assessment
Dog Tags
Class members demonstrate a proficiency with conditional probabilities through this task. Individuals calculate probabilities using multiplication and addition. They also distinguish between repetition and non-repetition while...
Illustrative Mathematics
Two-School Dance
Who's ready for the dance? When two middle schools combine for a dance, your learners' job is to calculate the ratio of girls attending. Provided with three different solutions, you can choose from setting up a ratio, linear equation, or...
Statistics Education Web
Walk the Line
How confident are you? Explore the meaning of a confidence interval using class collected data. Learners analyze data and follow the steps to determine a 95 percent confidence interval. They then interpret the meaning of the confidence...
West Contra Costa Unified School District
Interest and the Number e
Mary, Mary, quite continuously, how does your money grow? Uses examples to examine the difference between simple interest and compound interest, and to take a look at different rates of compounding. Learners explore what would happen as...
It's About Time
Oil and Gas Production
Would you consider a power failure a current event? This lesson uses multiple experiments, guided inquiry activities, and group discussions to cover the topics of oil and gas production. This is the seventh lesson in a series of eight.
Mathematics Assessment Project
Optimizing Coverage: Security Cameras
Are you being watched? Class members determine where to place security cameras protecting a shop. They then evaluate their own and several provided solutions.
Jason Learning
Tech in the Cycle
It might not be easy, but it is worth recycling electronics. Small groups determine the percentage of the materials that make up an iPad 2 and display the information in a circle graph. They then research the recycling process for...
Curated OER
Teaching Percentages
Students calculate percentages using the Percent Tricks method. They multiply and divide whole numbers. They count total number of candies in a bag and calculate the percent of each color.
Curated OER
The World in a Classroom
Students calculate percentages of different kinds of people in the world. In this diversity lesson plan, students will see the percentages of different people and different incomes based on if the world only had 100 people in it.
Curated OER
The Discount is Right
Students visit various websites and calculate various prices of five items. They estimate the sale price of five items using the original price and discount rate, use percent to calculate the rate of discount and the original price, and...
Curated OER
It Has Been Rubbish For Years
Young scholars are presented with the problems of percentages and focus upon numbers in contrast to 100. They calculate problems with money and are engaged with the use of games as a teaching tool. Students also interpret data as...