Curated OER
Infusing Equity in the Classroom by Gender
Students investigate the idea of gender descrimination in the classroom. In this algebra lesson, students collect data in stereotyping, and gender bias in the classroom, school materials and activities. They graph and analyze their...
Curated OER
Unit 5: Worksheet 4 - Proportion
In this proportion worksheet, students use proportions to find the length of a missing side of similar triangles. They find percent of a number, and solve real life story problems with percents and discounts. This two-page worksheet...
Curated OER
Decimals and Percents
In this decimals and percents worksheet, middle schoolers multiply six whole numbers by decimal numbers. They find the percentage of five whole numbers. Students graph one of the answers on a 10x10 grid.
Curated OER
Ratio, Percent, & Proportions
Seventh graders explore the concept of percents, ratios, and proportions. In this percents, ratios, and proportion lesson, 7th graders have 237 ounces of beads to weigh. Students work in groups to weigh the beads in a way so that each...
Curated OER
Determining the Age of Fossils
Students examine the concept of radioactive dating. In this radioactive dating lesson, students investigate how to determine the ages of fossils and rocks as they learn about half-life radioactive decay.
Curated OER
Probability
Seventh graders solve and complete 2 different problems that include a number of other possibilities. First, they draw a marble as stated for each out of a sack of marbles and determine the probability of getting that particular marble....
Education World
Every Day Edit - The Big Wind
In this everyday editing learning exercise, students correct grammatical mistakes in a short paragraph about the strongest wind ever measured. The errors range from punctuation, capitalization, grammar, and spelling.
National Institute on Drug Abuse
Marijuana Facts for Teens
Is marijuana addictive? Can you drive under the influence of marijuana? What happens if you smoke marijuana while you're pregnant? Teenagers learn the answers to these and many more frequently asked questions in an online booklet about...
Mathematics Assessment Project
Ratios and Proportional Relationships
Time to see what they've learned. Seventh graders solve a set of seven short problems in the ratios and proportional relationships domain. Applications include photo negatives, washing machines, coffee powder, sleep, stamps, etc.
Illustrative Mathematics
Coupon Versus Discount
All too often stores give coupons for an item, but when you go into buy it, the item is on discount. The store won’t take the coupon if the discount is used. So what do you do, use the coupon or take the discount? This activity...
Radford University
Sleep and Teen Obesity: Is there a Correlation?
Does the number of calories you eat affect the total time you sleep? Young mathematicians tackle this question by collecting their own data and making comparisons between others in the class through building scatter plots and regression...
Curated OER
2000 U.S. National Chemistry Olympiad National Exam - Part I
The National Chemistry Olympiad exams are comprehensive tests covering an entire year of chemistry concepts. You can use them as practice for competing in the challenge, or simply as a review, or as an actual final exam for your...
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
Are You a Trend Setter?
Students are introduced to the periodic table of elements. They devise and perform and experiment in which they determine the density of specific elements. They use their results to predict the density of other elements in the same group.
Curated OER
Time Management: Piece of Pie
Students examine their own lives and how well they manage their time outside of school. In this this time management lesson, students discover the amount of time they spend on other activities, and create a pie chart with that...
Curated OER
Finding Total Given Part and Percentage
Learners observe models of fractional parts. After writing the definitions of percent, part and whole, students use the calculators and computers to solve problems. Individually, they complete assigned problems where the convert the...
Curated OER
Percents
Students explore the concept of percents. In this percents lesson, students discuss the prefix cent and words that contain that prefix. Students make bead necklaces and determine the percentages of certain beads in relation to the necklace.
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
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
Problem-Solving Application: Make a Circle Graph
In this circle graphs learning exercise, students analyze a data table about the activities in a day. Students then use this data to make a circle graph. Students answer 6 questions about the graph.
Curated OER
The Ultimate Punishment
Students discover information about the death penalty debate. They explore the history of the death penalty and how it has changed over time. They examine supporting and opposing viewpoints of the issue.
Curated OER
Honey, I Shrunk the Lids!
Students discover the lightweighting concept used by manufacturers. In this environmental education instructional activity, students research the reduction of the amount of aluminum used in cans. Students wrap the instructional activity...
DK Publishing
Real-life Problems, Working with Fractions
Test your fifth graders' math skills with five word problems involving fractions. After studying two examples at the top of the page, pupils multiply fractions by whole numbers to solve each word problem. The worksheet provides two...