Curated OER
Who Wants to Be a Champion
Challenge your learners with this game focusing on problems involving ratios and calculating percentages. In this game, learners have to identify a ratio, convert ratios to a fraction, convert a percent to a fraction, and answer word...
Curated OER
Paper Toss Shootout
Students explore the concept of percentages. In this math lesson, students throw paper at wastebaskets as if shooting a basketball in a hoop. Students shoot the paper a given amount of times and then calculate their shooting percentage....
Bowland
AstroZoo
Rescue animals in the zoo by applying math concepts. Groups of learners solve three missions involving oxygen, food, and climate control. Each group selects an animal from one of four bio-domes.
Curated OER
Percent Worksheet 15
In this percent worksheet, students calculate the percentages of two and three digit numbers. Students complete 18 problems where they calculate percentages.
Curated OER
How Much Ocean?
In this ocean worksheet, students 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
"Water is Life" Global Water Awareness
Students examine and calculate the percentage of potable water remaining on the earth. In this ecology and geography lesson, students brainstorm the main factors affecting water distribution. Students use mathematical problem solving to...
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
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
Income Levels & Social Class: Is It All About Cash?
Students graph data and interpret that data after reading information about lifestyles and income levels. They calculate percentages, set up spreadsheets and calculate columnar data.
Curated OER
Interest: Interest Olympics
Students determine how interests is calculated and a how it accrues. They examine charts and graphs that show the intricacies of interest. They determine how to increase their own saving by using interest while working with a partner to...
Curated OER
It Has Been Rubbish For Years
Students 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 presented in...
Curated OER
M&Ms Count and Crunch
Middle schoolers practice skills involving statistics and probability by making predictions on number of each color candy in one pound bag of M&Ms. They record both guesses and actual quantities, calculate percentages, and create bar...
Curated OER
Chances Are......You're Right
Young mathematicians study probability. In this math lesson, learners calculate odds, and convert those into percentages of probability. Fractions are also used, making this lesson quite rich in some of the more difficult conversions...
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.
Curated OER
Our Solar System - Comparing Planetary Travel Distances
NASA presents a mini-unit on distances in our solar system. It incorporates scientific concepts of gravity, mass, density, and payload while your aspiring astronauts also employ mathematics skills. They calculate speed, they determine...
EngageNY
Margin of Error When Estimating a Population Proportion (part 1)
Use the power of mathematics to find the number of red chips in a bag — it's a little like magic! The activity asks learners to collect data to determine the percentage of red chips in a bag. They calculate the margin of error and...
National Research Center for Career and Technical Education
Business Management and Administration: Compound Interest - A Millionaire's Best Friend
Many math concepts are covered through this resource: percentages, decimals, ratios, exponential functions, graphing, rounding, order of operations, estimation, and solving equations. Colorful worksheets and a link to a Google search for...
Curated OER
Measuring the Area of a Circle
When mathematical errors happen, part of the learning is to figure out how it affects the rest of your calculations. The activity has your mathematicians solving for the area of a circular pipe and taking into consideration any errors...
Curated OER
Taxes and Sales
Collaborative discussions around this retail store problem will be taxing. Calculating discount and tax and the order of the operations are used to motivate an opportunity for learners to make a convincing argument using algebraic...
Concord Consortium
Rule of 72
Find an easier way to double it. Using the price of an item and the Consumer Price Index, learners determine how long it will be for the price to double. Scholars calculate the length of time it would take for the price to double using a...
Curated OER
How Credit Card Interest Works
Students experiment with an Excel spreadsheet model that demonstrates the effects of interest on payments. They calculate actual costs, interest paid, and time necessary to pay off credit purchases and draw conclusions about the...
Curated OER
Random Probability
In this statistics and probability activity, young statisticians solve and complete 13 different problems related to probability, percentages, and normal distributions. They consider data models, assumptions about the models, and find...
Illustrative Mathematics
Should We Send Out a Certificate?
Fred thinks his test score is high enough to earn him a certificate. Given the mean and standard deviation, use properties of normal distributions to calculate Fred's percentile ranking and see if he is right. Consider having your class...
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...