Rochester Institute of Technology
Skateboard Assembly - Cycle Time
Assemble a great lesson on assembly lines. In the first installment of a nine-part technology/engineering series, future entrepreneurs learn about the manufacturing process, specifically about the assembly line and cycle time. The lesson...
Math Mammoth
Volume Problems
For this volume problem instructional activity, students determine the volume of various objects. They compare similar objects and determine the percent of increase and decrease of the surface area and volume. This one-page instructional...
Curated OER
Not Everything is More Expensive
Students explore percent increases and decreases. They calculate the percent increase and decrease. Students use math to solve problems and communicate. They apply the given formula for percent increase/decrease.
Curated OER
Fractions, Decimals and Percentages
In this fractions, decimals, and percentages worksheet, students compare and order given amounts. Students identify equivalent numbers. They calculate the percent of a given number and convert from a fraction to a percent and to a...
Curated OER
Percent Applications
In this percent applications worksheet, students complete a total of 10 problems that involve calculating percentages. A reference web site is given.
Curated OER
The Stock Market
Students explore the loss and gain made in the stock market as they invest a sum of money and report the results as percentages instead of points.
Radford University
Percentages: Lesson 1
Math can be taxing at times. With a short lesson plan, pupils determine how income tax affects take-home pay. Learners determine their net pay based on tax tables and how adjustments in their gross pay changes the paycheck.
Curated OER
Changing Planet: Black Carbon - a Dusty Situation
Introduce your young meteorologists to black carbon produced by the burning of fossil fuels by showing the video, "Changing Planet: Black Carbon." Viewers discover that deposition of this carbon on polar ice impacts the absorption of...
Federal Reserve Bank
Wait, Is Saving Good or Bad? The Paradox of Thrift
Could saving really harm the economy? Discover the paradox of thrift and how decreases in consumption can affect economic recovery and various markets and industries.
Math Worksheets Land
Markups and Markdowns Word Problems - Matching Worksheet
Show learners how math is all around them with a worksheet that practices with percentage change. Match the eight problems regarding markups and markdowns to the answer choices, and see if they are ready to start shopping in the real world.
Los Angeles County Office of Education
Assessment for the California Mathematics Standards Grade 7
In need of an all-inclusive seventh grade math resource? Packed full of the topics necessary for Pre-Algebra the packet includes practice problems with different difficulty levels. It works great for any supplemental use needed in the...
Curated OER
Latitude
Your young geologists generate a graph given a table of values from the context of latitude and percent of the earth's surface north of that latitude. The questions in the activity then focus the learners to a deeper understanding of the...
Federal Reserve Bank
Deflation: Who Let the Air Out?
Why do decreasing prices (deflation) restrain economic growth, and why is this a real concern? Here you'll find reading materials and a related worksheet that gets right to the heart of this question, using recent events and real...
PwC Financial Literacy
Insurance Why's and How's
Middle schoolers explore the primary purposes of a variety of types of insurance. They determine who benefits the most from insurance coverage, and examine the factors that lead to increases and decreases in insurance premiums. The...
EngageNY
Estimating a Population Proportion
Find the percent of middle schoolers who want the ability to freeze time. The 21st installment in a series of 25 has groups collect a random sample of respondents who answer a question about superpowers. Using sample statistics,...
Curated OER
From a Square to a Rectangle
Eighth graders solve problems involving percentage increases and decreases. Using given percentages, 8th graders transform a square into a rectangle. They apply the area formulas for squares and rectangles.Students observe the percent...
University of Connecticut
Weather Vs. Whether
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,...
Curated OER
Graphing the Facts
Pupils investigate the correlation between our planet's weather and solar activity. They analyze and discuss data regarding the solar activity cycle, graph annual precipitation and temperature averages over a period of 100 years, and...
Curated OER
All Those Advertising Dollars!
Students calculate percent increases (or percent decreases) for the top 25 companies in terms of advertising dollars spent during a year.
Curated OER
Corn-Crop is a Bin-Buster
Learners calculate percent change and create lists of data. They enter the corresponding bushels of corn measured in billions to their list and display, then convert the acres into scientific notation and use the value on the home screen...
Noyce Foundation
Mixing Paints
Let's paint the town equal parts yellow and violet, or simply brown. Pupils calculate the amount of blue and red paint needed to make six quarts of brown paint. Individuals then explain how they determined the percentage of the brown...
Illustrative Mathematics
Latitude
The greater the latitude, the less of the Earth is north. Scholars graph the relationship between the latitude and the percentage of the Earth that is north of the latitude. Using the graph and the table, class members interpret values...
Math Worksheets Land
Markups and Markdowns Word Problems - Independent Practice Worksheet
Need practice with markups and markdowns? Use the resource along with its three counterparts to discover how the price of an item changes when given a percent increase or decrease.
Texas Instruments
Math TODAY for TI-Navigator System - Is Leisure Time Really Shrinking?
High schoolers organize data from the USA TODAY Snapshot, "Is leisure time really shrinking?" into two scatter plots and determine the quadratic model for each scatter plot. They determine if these graphs intersect and learn the concept...