Beyond Benign
PPM
The 15th lesson plan in the series of 24 helps your classes understand the ppm (part per million) unit of measure. First, scholars experiment with food coloring to determine concentrations before applying their findings to calculate...
Achieve
Ground Beef
Ever wonder how a butcher creates the different types of ground beef? Young mathematicians explore the methods butchers use to create their desired ground beef quality. Given a combination of two types of meat with varying...
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
Stoichiometry
In this stoichiometry worksheet, students solve thirty problems using the process of stoichiometry to find moles, molecules, and masses of substances in chemical reactions. Students balance chemical equations, find limiting reagents and...
University of Wisconsin
Measuring Slope for Rain Gardens
The slope of the land is an important feature when considering the erosion that will occur. In this resource, which is part of a rain garden unit, learners calculate the slope of the proposed garden site. Even if you are not planning a...
Curated OER
Percent Notation
In this algebra worksheet, students divide circles into equal portions as they explore percents and decimals. They convert between decimals and fractions using ratio and proportion. There are 8 questions.
Curated OER
A New Life
Middle schoolers write a paper about how their life would be different if fractions, decimals and percents did not exist. The teacher leads a discussion after the papers are written.
Curated OER
The "Heart" of the Problem
Students explore mathematical operations while studying nutrition. In this physical fitness lesson, students explore calories, pulse rate, and the circulatory system. Students use mathematical data to create a healthy physical fitness...
Curated OER
Molecular Mass and Percent Composition
In this molecular mass and percent composition activity, high schoolers complete 5 sections where they determine atomic masses of given elements, they determine formula masses for given molecules, they find the molecular mass of 12...
Curated OER
A Fraction of the Possibilities
Learners review the conversion of fractions to decimals, develop strategies to compare fractions perform complex calculations using ratio techniques similar to the construction of fractions.
Noyce Foundation
Snail Pace
Slow and steady wins the race? In the assessment task, scholars calculate the rates at which different snails travel in order to find the fastest snail. Hopefully, your class will move much more quickly in finishing the task!
Curated OER
Estimation With Percents
Students examine percents. In this percents lesson, students will estimate percentages. Using advertisements from a newspaper, students problem solve to determine the final price of a sale item.
Curated OER
Family Letter and Activity: Cars, Trucks and Percents
In this math learning exercise, students will take home a letter to their parents explaining that they are studying Chapter 10: Ratio, Proportion and Percent. Then students will complete a homework activity in which they ask family and...
Curated OER
What is a Percent? (A)
In this finding percents instructional activity, students read the two numbers for each problem and then determine what percent of the second number is the first number. Students solve forty problems.
Curated OER
Ratios, Proportions, and Percents - Week 4
In this ratio, proportion and percent worksheet, students solve problems involving ratios and proportions.  They identify the percent of increase and decrease, solve ratio problems with proportions, and find sale prices.  This two-page...
Curated OER
Percents
In this percents learning exercise, students solve 5 different problems that include determining various percents. First, they determine the percent of increase in population over a year. Then, students determine the sales tax 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...
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...
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.
Teach Engineering
About Accuracy and Approximation
How accurate are robots? Groups draw lines by moving robots backwards and forwards by one rotation of the wheels. Using the appropriate formula, they determine the percent error in the length of the lines in relation to the calculated...
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...
Noyce Foundation
Time to Get Clean
It's assessment time! Determine your young mathematicians' understanding of elapsed time with this brief, five-question quiz.
Balanced Assessment
Who's Left?
If you're not right-handed, are you wrong-handed? Young statisticians calculate the percentage of left-handed people using a given data set in the assessment task. They plot data on a scatter plot and consider how the line of best fit...