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Spin Your Turbines
Young scholars relate electrical power and how it works to math. In this geometry lesson, students analyze how a hydroelectric plant works and calculate the amount of electricity that is produced by a typical generator. This lesson uses...
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Recipe: Unit Rate
Students solve problems using ratios and proportions. In this algebra lesson, students identify the unit rate and convert between fractions and decimals. They create graphs from their data.
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Maps
Students figure out the mileage from one state to another using a map. In this map lesson, students look at the scale factor and turn it into a fraction. They measure the distance between two cities and use the proportion to find the...
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Origami Cube
Students compare two lengths using the area of a square. In this geometry instructional activity, students solve problems using ratio and proportion of the two shapes. They solve equations by taking the square root of both sides.
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Belly Dancer Problem
In this math learning exercise, students determine the rate at which belly dancers lose weight. This learning exercise contains one multiple-step word problem. It may be used as a problem of the week.
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Ten Multiple-Choice Rate, Ratio, and Proportion Problems
In this rate, ratio, and proportion worksheet, 7th graders solve ten multiple-choice problems. The solutions are provided by clicking on the "show answers" on the bottom of the page.
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Solving Proportions
In this proportions worksheet, students solve 20 proportions. Students multiply the means and extremes in order to find a missing variable.
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Proportions
Students study proportions. In this mathematics lesson, students measure their body length, head length, and ratio of their body, write their findings on a group chart, and discuss how a person's head size or arm span are in proportion...
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Currency Exchange
Students investigate the currency exchange rate. For this middle school mathematics lesson, student use proportions to exchange between the U.S. dollar and the euro. Students come up with a product they would like to buy and...
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Currency
Students investigate currency and exchange rates. In the middle school mathematics lesson, students use ratio and proportion to convert from one type of currency to another. Students solve problems involving currency exchange.
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Recipes and Ratios
Young scholars use ratio and proportions to adjust recipe size. In this middle school mathematics lesson, students investigate Native American food and adjust the recipe size for said foods to the number of servings needed to feed...
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Ratio and Proportion
Students investigate ratio and proportion. In this middle school mathematics lesson, students write ratios and find equal ratios. Students use ratio and proportion to distinguish between healthy and unhealthy body proportions.
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Percent Applications
In this percent application worksheet, students solve word problems containing concepts such as percent, proportions, sale price, discounts, interest, commission, tax, and more. Students complete 11 problems.
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Proportional Segments Between Parallel Lines
Students identify similar triangles. In this proportional segments lesson, students identify corresponding sides, set up ratios, and find the length of the missing side of a triangle. They use the parallel/proportionality...
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Proportion Problems
In this proportion worksheet, students use work space provided and state whether rations are proportional. Answers are included on page 2.
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Proportions
In this ratios worksheet, students find the missing number in the second ratio in the problem. Students complete 9 ratio/proportion problems.
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Atlatl Lessons for Grade 8
Eighth graders explore the weapons of the Aboriginal people. In this eight grade math/science lesson plan, 8th graders collect and analyze data regarding the speed and distance of a dart thrown with an atlatl. Students choose...
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What is the connection between rice and estimation?
Sixth graders investigate estimating. In this estimating instructional activity, 6th graders estimate how much rice is eaten around the world. Students estimate the percentages of rice eaten by other countries. Students compare rice...
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What proportion of rough rice is prepared into consumable rice?
Fifth graders find the percentages of rough rice that can be eaten. In this percentage lesson, 5th graders look at 100 lbs. of rough rice and see the steps needed before it can become the white rice sold in stores. They find the...
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Bagel Algebra
Ninth graders apply proportional reasoning to a real-life situation. In this Algebra I lesson, 9th graders explore a series of equations that relate to a display sign that compares the owner’s bagels to competitors bagels. ...
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Ratio & Proportion for Algebra I
In this ration & proportion for Algebra I instructional activity, students answer twenty-three word problems involving ratio and proportion.
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Ratios, Proportions, and Percents
Eighth graders use ratios and proportions to solve real-life problems. In this using ratios and proportions to solve real-life problems lesson, 8th graders estimate the cost of a road trip. Students estimate the distance...
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My Test Book: Ratios and Proportions
In this online interactive math skills activity, students solve 10 multiple choice math problems regarding ratios and proportions. Students may view the correct answers.
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Ratio and Proportion: Proportional Ratios
In this ratios worksheet, students write yes or no for if the ratios given are proportional or not. Students complete 7 number problems and 5 money problems.