Curated OER
The Math of Science: Ratios and Proportions
For this ratio and proportion worksheet, students learn about ratios and how to solve problems with ratios and proportions. They solve three problems using what they learned.
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Working with Percentages and Proportions
In this percentages and proportions activity, learners are given percentages, they express them as a proportions, they create an equivalent ratio using "x" for the unknown portion and they cross multiply and divide to find their answer.
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Ratio of Similarity
For this ratio of similarity worksheet, 10th graders solve and complete 20 different problems that include defining the ratio of similarity in various figures. First, they determine the ratio of similarity for large and small pairs of...
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Solve Percent Problems Using Proportions
Students explore proportions and ratios. In this solving percent problems instructional activity, students examine percent problems including tax and percent of change.
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Simplifying Ratios
In this simplifying ratios worksheet, 10th graders solve and complete 24 various types of problems. First, they complete each ratio and reduce when necessary. Then, students find the length and width of each rectangle described. They...
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Lesson 3-5: Proportions and Similar Figures
In this similar figures activity, students use proportions to solve 6 short answer and multiple choice questions. Students use proportions to answer questions about map scales and height of trees given shadow lengths.
California Education Partners
Photos
Why do all sizes of pictures not show the same thing? Class members analyze aspect ratios of various sizes of photos. They determine which sizes have equivalent ratios and figure out why some pictures need to be cropped to fit particular...
101 Questions
Nana's Paint Mixup
You would probably do anything for your Nana, including fixing her mistakes! Nana provided the wrong ratio to mix red and white paint, and she didn't realize it until after she mixed the paint. Your class now needs to figure out how to...
Curated OER
Stock Swaps, Variation 3
More on the fictitious takeover of the Apple Corporation by Microsoft. For this scenario, Microsoft has $28.00 per share to spare, so how many do they need to offer to make an even trade? This is an engaging problem to solve when...
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“I Can” Common Core! 6th Grade Math
Help your sixth graders reach their Common Core math standards by providing them with a checklist of "I can" statements for each standard. As each concept is covered, kids can check it off, as long as they can do what it states.
Curated OER
Family Letter - Foreign Currency and Exchange Rates: Proportions and Ratios
In this proportions and ratios worksheet, middle schoolers solve 6 short answer problems. Students find the foreign currency exchange rates for six countries. Middle schoolers express the exchange rate as a proportion or ratio.
Curated OER
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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Ratio & Proportion for Algebra I
In this ration & proportion for Algebra I worksheet, students answer twenty-three word problems involving ratio and proportion.
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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.
Curated OER
What's My Ratio?
Young scholars 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. Young scholars determine the ratio of their pictures. Students...
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My Test Book: Ratios and Proportions
In this online interactive math skills worksheet, students solve 10 multiple choice math problems regarding ratios and proportions. Students may view the correct answers.
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Ratio and Proportion 2
In this ratio worksheet, students analyze the number of orders taken for different foods in a cafe. Students solve 8 ratio and proportion problems using the numbers in the data table. There are detailed examples on the page.
Curated OER
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.
Curated OER
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 worksheet, students 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 worksheet...
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Using Proportions To Solve Word Problems
In this proportion worksheet, students solve a set of 7 questions using proportion. A reference web site for additional activities is given.
Balanced Assessment
Egyptian Statue
Investigate the proportional relationships of length, area, and volume. Learners use the dimensions of rectangular prisms to create ratios and proportions. They compare the different ratios to solve more advanced problems.
101 Questions
Binder Clips: Large, Medium, Small
Ever wondered how many pieces of paper a binder clip can hold? Viewers of a short video are about to find out! Given measurement data for three different sized binder clips, learners must develop a method for figuring out how many pieces...
Noyce Foundation
Measuring Up
Teach the basics of measurement and conversion with a five-lesson resource that builds an understanding of proportion and measurement conversion from elementary through high school. Initially, young scholars use ratios to determine soup...