Curated OER
Find the Fraction, Decimal and Percentage
Students review how to find percentages from decimals and fractions. Using photographs, they determine the percentage, decimal and fractions of different criteria. They use a calculator to change the form of the rational numbers as well.
Illustrative Mathematics
Accuracy of Carbon 14 Dating II
The scientific issue of carbon-14 dating and exponential decay gets a statistics-based treatment in this problem. The class starts with a basic investigation of carbon content, but then branches out to questions of accuracy and...
EduGAINs
Ratio and Proportion
Do these items have the same ratio? Through a learning contract, pupils master proportions by practicing proportions via word problems, graphs, and with manipulatives. An exit ticket checks for understanding at the end of the...
National Security Agency
It's Probably Probable
Learners make predictions and draw conclusions from given information as they learn the meaning of probability in this vocabulary-rich, integrated activity that presents a variety of teaching strategies to motivate and reach...
EngageNY
End-of-Module Assessment Task: Grade 7 Mathematics Module 4
Asses the class to determine their knowledge of proportional relationships involving percents. Class members work through the nine-question assessment with a variety of percent problems. The multi-step problems involve simple interest,...
US Department of Commerce
Diversity: Differences in Communities
Using census data, the class finds the percentages of three diversity categories for four states and compare them. With the assistance of a 10 X 10 grid, pupils create visual representations of a comparison between two states on one...
Noyce Foundation
Cereal
Find the best protein-packed cereal. The short assessment task covers equivalent and comparing ratios within a context. Pupils determine the cereal with the highest ratio of protein. A rubric helps teachers with point allotments for...
Inside Mathematics
Picking Apples
Getting the best pick of the apples depends on where to pick. The short assessment presents a situation in which class members must analyze a real-world situation to determine the cost of picking apples. The pricing structures resemble...
Curated OER
The Physics of the Planets: How 16th and 17th Century Physicist Helped Us Understand Our Solar System
Eighth graders draw the paths of the planets in the solar system. In this astronomy lesson, 8th graders calculate speed of objects using distance and time information. They research about the work of scientists in the 16th and 17th century.
Curated OER
Who Wants to Carry a Million?
Learners, in groups, determine the volume of a box large enough to hold a million dollars. They calculate the dimensions of a bill and the volume of the money.
T. Smith Publishing
Finding Percentages 6A
A list of 20 two to three-digit numbers asks math whizzes to determine specified percentages for each. The publisher has linked the assignment to CCSS.Math.Content.6RP.3, and it is targeted at the discreet skill of finding a percent of a...
Social Media Toolbox
Why Social Media?
Is social media the best way to convey news in your school? Young journalists dig deep into the social media question in the second of 16 lessons from The Social Media Toolbox. After learning about the relationship between social media...
Global Oneness Project
Deconstructing Consumerism
To increase awareness and launch a discussion of consumerism, class members view What Would It Look Like, a 25 minute film of images that capture the global effects of the consumption of goods. Viewers make a list of the images that...
101 Questions
The Biggest Loser
Sometimes losing is actually winning! Learners use a proportional analysis to compare percent weight loss of contestants on The Biggest Loser. The resource provides data and clips from the show to facilitate the lesson.
Beyond Benign
Water Bottle Unit
How much plastic do manufacturers use to create water bottles each year? The class explores the number of water bottles used throughout the years to determine how many consumers will use in the future. Class members compare different...
Princeton University
A Teacher's Guide to the Universe
Astronomers only observe four percent of the universe as the rest hides in darkness. The size, shape, and movement of the universe are the focus for an long-term high school unit. Its 43 lessons include hands-on experiments, direct...
Curated OER
The Math of Renewable Energy
Students research additional information about questions on their worksheet. In this energy activity, students develop visual aids of their proposed solution to the problem. They present their work in class.
Inside Mathematics
Hopewell Geometry
The Hopewell people of the central Ohio Valley used right triangles in the construction of earthworks. Pupils use the Pythagorean Theorem to determine missing dimensions of right triangles used by the Hopewell people. The assessment task...
Mathematics Assessment Project
Ice Cream
I scream, you scream, we all determine the amount of ice cream! Pupils calculate the amount of ice cream flavors needed based on survey results in a short summative assessment. They determine the number of tubs and cost of ice...
Statistics Education Web
10,000 Steps?
Conduct an experiment to determine the accuracy of pedometers versus pedometer apps. Class members collect data from each device, analyze the data using a hypothesis test, and determine if there is a significant difference...
Bowland
Public Transport
"Statistics is the grammar of science" -Karl Pearson. In the assessment task, learners read a claim made by a newspaper and analyze its conclusions. They need to think about the sample and the wording of the given statistics.
Curated OER
Finding Percents of a Number
In this percents worksheet, students find the values of each percent and number. Students solve forty percent value problems. Students write their answers in the provided space.
Curated OER
Numbers Based on Percentage
In this percentage worksheet, students examine written statements and solve to find the percent of a number or find a missing number when given a percent. This one-page worksheet contains ten problems.
Curated OER
What Is the Percent?
In this percent worksheet, students find the percent of one number to another. A website reference for additional resources and an answer key is given.