Curated OER
Sizing Up the Supersize Croc
Students examine and compare traits of humans and crocodiles. In this crocodile lesson students use a ratio to estimate the height of a person and compare that to a crocodile.
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The Good, The Bad, The Ugly
Sixth graders examine the causes of the stock market crash of 1929. In this integrated math/history unit on the stock market, 6th graders study, research, and read stocks, visit a local bank, and create a PowerPoint to show the...
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Math Test Practice-Grades 4-6
In this math test practice worksheet, students complete a total of 10 problems using a variety of concepts. Page has links to answers and additional activities.
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How Fast Is Your Car?
Eighth graders discover the relationship between speed, distance, and time. They calculate speed and represent their data graphically. They, in groups, design a ramp for their matchbox car. The goal is to see who's ramp produces the...
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Smaller Than One
Sixth graders practice converting a fraction into a decimal and a percent. They explain relationships among rational numbers. They order and compare whole numbers, fractions (including mixed numbers), and decimals using a variety of...
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Flipping For Math
Seventh graders create a video of different formats to deliver a presentation of a math concept such as square roots, decimals, fractions, and more. For this math presentation lesson plan, 7th graders can plan a rap video, story,...
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Water Conservation
Students explore types of water reserves. In this water conservation lesson, students brainstorm ways water are used in their homes. Students use a graduated cylinder to simulate the amount of water on Earth and the amount that humans use.
Charleston School District
Equations of Linear Functions
Teaching linear function relationships using contextual information is beneficial to pupils' understanding. The lesson uses problem solving to build linear functions given different information for each problem. This is the second...
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Side Splitter Triangles
Students investigate the side splitter theorem. In this geometry instructional activity, students estimate and solve problems dealing with ratios and proportions. They identify angles created by lines that are parallel.
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How Tall Is That Flag Pole?
Students examine various triangles and discuss how similar triangles have sides that are proportional. They utilize an ancient Egyptian method to determine the height of a flagpole.
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Direct Variation
In this Algebra II worksheet, 11th graders solve problems involving direct variation. The two page worksheet contains explanation, examples, and twenty-one problems. Answers are not included.
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Radioactive Decay: A Sweet Simulation of a Half-life
Students demonstrate rates of decay of unstable nuclei can be measured. They understand ratios and multiplication of fractions. They simulate radioactive decay. They read about the accomplishments of scientists.
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Pumped Up Gas Prices
Students investigate the concepts of differing gas prices and how they are set in different geographical areas. They conduct research about the economic concepts of supply and demand and predict the outcomes upon the prices of gasoline.
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Buying My First Car
Students pretend they are about to buy their first new car. They must do all the calculations necessary to estimate the cost of purchasing the car. They see that the math they learn in school really does have real-life applications.
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Stars and Stripes
Learners design a United States flag using reasoning. They describe their design to make it easy for it to be duplicated. They share their designs with the class.
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Mathematics Within: Algebraic Patterns
Students investigate the concept of using proportions to compare quantities while also practicing calculations for foreign exchange rates. They develop the skill of solving for unknown quantities of money while using an algebraic equation.
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Australian Currency
Students investigate currency and exchange rates. In the middle school mathematics lesson, students use ratio and proportion to convert from Australian currency to the U.S. dollar and vice verse. Students create their own...
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Pepper Problem
In this secondary mathematics worksheet, high schoolers determine the solutions to a riddle which involves the selling of peppers and whose solution requires the use of ratio and proportion. The one page worksheet contains one...
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Water - Planning for the Future
Students explore and examine the increases and/or decreases for water user groups: irrigation, municipal, manufacturing, steam electric power generation cooling, livestock, and mining. They utilize percentage changes during their...
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Mathematics In You
Students construct ratios using the hand as data. They use examples of cortical and trabecular bone found in the long bones to measure circumference, diameter, length, and weight of long bones. They perform computations using growth...
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Saving Money Through Mathematics
Third graders discuss light sources and collect data about energy sources. They compare data and create a multiple line graph showing energy used by light sources for each student in the group. They present their graphs and write a...
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Liquid Killer
Students explore number sense applications and discuss strategies for multiplication and division using mental math. For cross-curricular purposes, they explore causes and effects of inequality and social injustice. Students explore...
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Changing Units of Measure
For this algebra worksheet, students convert between units. They write expressions and simplify them. There are 4 problems with an answer key.
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The Price Is Right - Grocery Store Prices
Eighth graders use the unit price to compare which local grocery store has the best prices. Assign students to work with a partner and a role. One person is the recorder and the other is the mathematician.