Curated OER
Proportion Game
In this proportion game learning exercise, students read the guideline regarding a game pertaining to ratios and play it with a partner.
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All About Ratios
Students investigate the use of multiplication and division of whole numbers to solve problems including equivalent ratios and rates.
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What's My Ratio?
Students investigate ratios of various objects. In this ratios of various objects lesson, students draw pictures on graph paper and then dilate or shrink the image. Students determine the ratio of their pictures. ...
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A Matter of Proportion
Middle schoolers measure the relative heights of the mosaic giraffe and its trainer and compare their proportions to an actual giraffe and zoo trainer.
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Ratios (Cost of a Habit)
Students consider an individual habit and its cost. They study ratios and proportions, and use that knowledge to calculate the cost of a habit over extended periods of time. write a detailed comparison of the costs.
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Using Proportions Homework
In this geometry worksheet, students identify simple ratio and reduce to the simplest forms. They find the measure of missing sides and angles. There are 20 questions.
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Ratio
Students calculate the ratio and apply it to construction. In this geometry instructional activity, students convert between different units and use decimals and fractions interchangeable. They find the fraction of a given amount...
Yummy Math
Starbucks Drinks
The casual language and popular topic will make this assignment all the more engaging for your middle school math class. They use Starbucks beverage sales and nutrition values to practice ratios, proportions, statistics, and...
Illustrative Mathematics
Buying Protein Bars and Magazines
Packing for a trip? This activity allows learners to decide how many magazines and protein bars they can buy with twenty dollars. They can organize their work in a chart to track how many items they can purchase. There are two different...
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Hybrid Vehicles: Cut Pollution and Save Money
Math and science meet in this lesson on hybrid electric automobiles. This 24-page resource provides everything you need for teaching a lesson that compares the use of internal combustion engines to hybrid electric engines. Participants...
PHET
Unit Rates
Sometimes you just want to know the cost of one apple. A fun interactive lets learners explore the unit costs of fruits, vegetables, and candy. It shows how ratios to express ratios symbolically and on a double number line.
Balanced Assessment
At the Supermarket
Grocery managers and chefs sure use lots of math. Scholars first use ratios and unit rates to determine a price for a can of corn. Once individuals have the pricing, they determine the amount of ingredients necessary to make brownies...
Noyce Foundation
Measuring Mammals
Explore the meaning of scale and proportion with a set of five activities that examines the topic from elementary through high school. The first lessons explore ratio by examining pictures of different sizes. The next three activities...
Open Text Book Store
Arithmetic for College Students: Worksheets
Loaded with concepts ranging from multiplying decimals to converting units to solving problems using the order of operations, a thorough practice packet is perfect for a fifth or sixth grade math classroom.
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Dried Meat
Students investigate the traditional method of drying meat used by Native Americans. They apply math concepts such as ratio, proportion, percent, and scientific notation to determine the amount of meat the is dried from an animal using...
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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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Proportions
Seventh graders participate in a lesson that focuses on having them solve different proportions. The lesson includes an example that the teacher can work from in order to deliver direct instruction.
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Quiz: Creating Equivalent Proportions
In this proportion worksheet, students create a proportion from a set of four numbers. They write ratios that are equal to each other. This one-page worksheet contains ten problems.
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Proportional Ratios
In this proportional ratios worksheet, 9th graders solve 10 different problems that include sets of fractions in each. First, they determine if the product of the means is equal to the product of the extremes. Then, students solve each...
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Quiz: Rewriting Ratios
In this rewriting ratios instructional activity, learners observe models and read short statements. Next, they write ratios to depict the models and describe the statements. Students write their ratios in lowest terms. This one-page...
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Proportions in Stories
Students solve problems dealing with ratios and proportions. In this algebra lesson, students rewrite word problems using equations and symbols. They correctly convert between percents and decimals.
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Ratios
Sixth graders investigate the concept of ratios and how they can be used to represent the comparison of quantities. The lesson is taught using a table or graph to compare two categories of data.
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Comparing Ratios
In this comparing ratios worksheet, students solve and complete 3 different problems using the screens shown. First, they write a ratio that compares the shaded part to unshaded part illustrated. Then, students use the same grid to...
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Proportion Problems
In this proportions learning exercise, students complete proportion word problems including one and two digit numbers. Students complete 6 numbers.