Curated OER
Percentages, Fractions, Decimals, and Square Models
In this middle school mathematics lesson, students convert between percents, fractions, and decimals. Students shade the regions of a 10 by 10 square to represent the given number. The two page worksheet contains eight...
Curated OER
Fractions, Decimals, and Percents
In this middle school mathematics worksheet, students convert between fractions, decimals, and percents in problem solving situations. The one page worksheet contains ten problems. Answers are included.
Curated OER
One Survivor Remembers: Anti-Semitism
Students analyze and discuss how propaganda influenced anti-Semitism and it's role in World War II. In this propaganda lesson, students define the terms involved in this assignment. Then they will discuss their reactions to a film and...
Curated OER
The Global Warming Debate and the Arctic Ice Cap
In this global warming and the Arctic ice cap worksheet, students use two graphs showing data about the amount of Arctic sea ice between 1950 and 2006 and the percent of people surveyed that believe the Earth has gotten warmer over the...
Michigan Sea Grant
Survival Game
Musical chairs may be a classic game, but Ruffe Musical Chairs is a unique lesson plan on invasive species! Using the time-honored game, pupils role play the behaviors of the invasive fish called Eurasian ruffe. Learning about this...
Curated OER
Seeing the World in New Ways
Students probe their own histories to record how they have had to expand their world views. They determine "Everyone has a culture. It influences how we see the world, ourselves, and others." The explain the concept of cultural...
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
Mystery of the Megaflood
Students will use everyday items and speeds to describe the dimensions of a massive flood that occurred in the Pacific Northwest near the end of the last ice age.
Curated OER
Going Up Or Coming Down
Young scholars find the percent of increase or percent of decrease. Through a teacher demonstration, they examine the methods of calculating percentages. Students solve real life problems.
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
Percent of Change
In this algebra worksheet, students convert between percents and decimals. They calculate sales tax, discounts and relative errors. There are 4 questions with an answer key.
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
Fraction Conversion Lesson Plan
Learners practice converting fractions into decimals and percents using a computer applet and the concept of money.
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....
Curated OER
Stoichiometry
For this stoichiometry worksheet, students use balanced equations for chemical reactions to determine the percent yield and the mass of product produced. This worksheet has five problems to solve.
Curated OER
Simplifying Square Roots
Discuss the definition for a simplified form for a square root. Middle schoolers analyze different forms of a square root, the Product Property of Square Roots, and complete a worksheet.
Curated OER
Examining What Sharing Really Means
After reading "The Senegalese Miracle" about the degree of sharing the author encounters upon arrival in Africa, class members read Mike Tidwell’s “Sharing in Africa” and compare the two stories. This cultural diversity instructional...
Curated OER
Technology and the Media
Students are introduced to the roles and influence of technology and the media on American representative democracy. They examine the effects of the Internet on citizens' role in government and the role and effects of media on the...
Curated OER
Environment: Water & Air
The introduction to the lesson mentions a sailor's limited capacity to store drinking water on his ship. Pupils then set up an overnight experiment to remove freshwater from salt water by distillation. There is a math and map activity to...
Illustrative Mathematics
Accuracy of Carbon 14 Dating I
Here is an activity that is intended to highlight a very important issue about precision in reporting and understanding statements in a realistic scientific context. Discuss different ways of reporting the half life of Carbon 14...
EngageNY
Counting Problems
Solving these percent problems is a matter of counting. Pupils find percents by counting the number of events that meet the criteria and the total number of possibilities. Participants create the ratio and convert it to a percent to...
101 Questions
Double Sunglasses
If you wear two sets of sunglasses, do you get twice the darkness? Pupils explore an enlightening topic using a video and math model. They discover how to extend the topic through a sequel video and challenge question.
Illustrative Mathematics
Discounted Books
Adolescents love to shop, especially when an item is discounted. Here, shoppers only have a set amount of money to spend. Will they be able to make a purchase with the discount and tax added in? Percent discounts can be calculated...
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.