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Robot Ratios

For Teachers 8th - 10th
Students measure the activity and parts of a robot. In this algebra lesson, students explore ratio and proportion using their classroom. They apply properties of fractions as they cross multiply to solve problems.
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Balancing the Scales: Understanding Ratios

For Teachers 5th - 8th
Young scholars are introduced to the concept of ratios. In groups, they convert sets of numbers into a ratio. After practicing, they use the ratios and proportions to solve story problems. They also calculate map distances and...
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Ratio and Proportion

For Teachers 7th - 8th
Learners investigate ratio and proportion.  In this middle school mathematics lesson, students write ratios and find equal ratios.  Learners use ratio and proportion to distinguish between healthy and unhealthy body proportions.
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Ratios and Proportions

For Teachers 4th - 6th
In this ratios and proportions worksheet, students complete a series of short answer questions based on different charts and word problems dealing with ratios and proportions. Students complete 9 problems.
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Ratio and Proportion: Writing Ratios (1 of 2)

For Students 4th - 6th Standards
Here is the first of two printable ratio worksheets. For the first three problems, pupils count the numbers of two different objects and simply write down the ratios. There are then four problems in word form for which they also write...
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Are You a Golden Ratio?

For Teachers 6th - 8th
Middle schoolers explore the concept of the golden ratio in nature and architectural design. They discuss examples such as petals on a sunflower and the Parthenon. In small groups they take turns measuring their body parts to find a...
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Equivalent Ratios

For Students 5th - 6th
In this equivalent ratios instructional activity, students solve 4 problems in which equivalent ratios are found by completing a ratio table. Students multiply each term of the fraction by the same number.
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Ratio and Proportion

For Teachers 4th - 6th
Students explore ratios and proportions. In this ratios instructional activity, students work in groups to identify the ratio of boys to girls, as well as the ratio of vowels to consonants in their names. Given a bag of candy, students...
Worksheet
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Ratio and Proportion: Simplifying Ratios (1 of 2)

For Students 5th - 10th Standards
Here is a set of 24 pairs of numbers for which kids reduce the ratios to their simplest form. It is a simple and straightforward assignment, meant by the publisher to address CCSS.Math.Content.6.RP.3. Note, however, that it only requires...
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Ratio Relationships

For Teachers 9th - 11th
Students solve for the different ratio and proportion of a problem. In this geometry instructional activity, students show their knowledge of how to solve proportional relationships. They convert between percent, decimals and fractions.
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All About Ratios

For Teachers 5th - 8th
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 And Percent Worksheet

For Students 6th - 8th
In this math learning exercise, students examine the answers to a formal assessment focusing on the concepts of ratio, proportion, and percent.
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Ratio and Proportion Word Problems

For Students 8th
In this ratio and proportion instructional activity, 8th graders solve 10 different word problems that include determining the ratio and probability of events described. First, they determine the ratio of hawks to crows in a cornfield....
Worksheet
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Ratio and Proportion: Write and Interpret

For Students 8th - 10th
In this ratio and proportion worksheet, students explore example problems. Afterwards, they read story problems and use ratios and proportions to find the solution. This three-page worksheet contains six multi-step problems,
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Ratio & Proportion for Algebra I

For Students 7th - 8th
In this ration & proportion for Algebra I worksheet, learners answer twenty-three word problems involving ratio and proportion.
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Ratios, Proportions, and Percents - Week 4

For Teachers 9th - 12th
In this ratio, proportion and percent worksheet, high schoolers solve problems involving ratios and proportions. They identify the percent of increase and decrease, solve ratio problems with proportions, and find sale prices. This...
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Unit 5: Worksheet 2 - Ratios

For Students 8th - 10th
In this ratio instructional activity, students investigate the relationship between the ratio of two sides of similar triangles. Afterwards, they convert fractions, decimals, and percents. This three-page instructional activity...
Worksheet
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Ratio and Rate

For Students 8th - 9th
In this Algebra I worksheet, students solve problems in which they differentiate between a ratio and a rate.  The nine page worksheet contains explanation, worked examples, and seventeen problems.  Answers are not...
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Using Variables And Ratios To Get You in the Right Gear

For Teachers 9th - 11th
Students examine the use of variable and ratio in everyday situations including figuring out the gear ratios for the gears on a 12 speed bike. They use the bubble sort technique to write a computer program which will determine the...
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Ratios

For Teachers 6th
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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Ratios

For Teachers 6th
Sixth graders use ratios to solve unit problems. Pupils write ratios in three different ways. In groups, they perform a bean activity, find ratios, and write them in simplest form.
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What's My Ratio?

For Teachers 3rd - 5th
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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Surface Area to Volume Ratio

For Teachers 7th - 10th
Students examine the surface area to volume ratio and how they relate.  In this surface area lesson students complete several activities.
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Family Letter - Foreign Currency and Exchange Rates: Proportions and Ratios

For Students 6th - 8th
In this proportions and ratios worksheet, students solve 6 short answer problems. Students find the foreign currency exchange rates for six countries. Students express the exchange rate as a proportion or ratio.

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