Worksheet
Curated OER

Using Proportions

For Students 10th
In this using proportions worksheet, 10th graders solve 9 various types of problems that include two word problems suing proportions. First, they use the table to find the ratios of each and express each ratio as a decimal rounded to...
Lesson Plan
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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.
Worksheet
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Family Letter - Foreign Currency and Exchange Rates: Proportions and Ratios

For Students 6th - 8th
In this proportions and ratios instructional activity, 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.
Worksheet
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Ratio and Proportion: Proportional Ratios

For Students 6th - 8th Standards
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.
Worksheet
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Proportion Game

For Students 4th - 6th
In this proportion game worksheet, students read the guideline regarding a game pertaining to ratios and play it with a partner.
Lesson Plan
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Ratio and Proportion

For Teachers 4th - 6th
Students explore ratios and proportions. In this ratios lesson, 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 work in groups to...
Lesson Plan
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Ratios, Proportions, and Cross-multiplication

For Teachers 6th - 8th
Learners use cross-multiplication to find the unknown respiration rate of an astronaut. In this multiplication lesson plan, students also use the same process to find missing values in proportions.
Worksheet
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Ratio & Proportion for Algebra I

For Students 7th - 8th
In this ration & proportion for Algebra I worksheet, students answer twenty-three word problems involving ratio and proportion.
Lesson Plan
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Balancing the Scales: Understanding Ratios

For Teachers 5th - 8th
Learners 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 discover map...
Worksheet
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Ratio and Proportion-- Sweets in a Bag

For Students 5th - 6th
In this math worksheet, students study ratio and proportion by solving 12 word problems. The examples pertain to the color of candies in a bowl and also the ration of boys to girls in a classroom.
Lesson Plan
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Ratio Relationships

For Teachers 9th - 11th
Students solve for the different ratio and proportion of a problem. In this geometry lesson, students show their knowledge of how to solve proportional relationships. They convert between percent, decimals and fractions.
Lesson Plan
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Proportionality: The X-Plane Generation

For Teachers 4th - 8th
Students meet NASA researchers who describe the relationship between force, energy and motion. They discuss how NASA's experimental X-plane is being tested to make space travel more reliable and show how proportionality and ratios are...
Worksheet
Curated OER

Ratio and Proportion Word Problems

For Students 8th
In this ratio and proportion worksheet, 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. Then, students...
Lesson Plan
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Ratio, Percent, & Proportions

For Teachers 7th
Seventh graders explore the concept of percents, ratios, and proportions. In this percents, ratios, and proportion lesson, 7th graders have 237 ounces of beads to weigh. Students work in groups to weigh the beads in a way so that each...
Lesson Plan
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Proportional Segments Between Parallel Lines

For Teachers 9th - 12th
Young scholars 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...
Lesson Plan
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Proportions

For Teachers 5th - 7th
Pupils study proportions. In this mathematics instructional activity, 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...
Lesson Plan
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Proportions

For Teachers 7th
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.
Worksheet
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Ratios and Proportions

For Students 4th - 5th
In this math worksheet, students examine 4 ratio and proportion problems which have picture clues to help. Students solve the problems and express the proportions as fractions and simplify.
Lesson Plan
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Proportion Problems

For Teachers 7th
Seventh graders explore the concept of proportions. In this proportions lesson, 7th graders determine which offer is the better deal given two pizza offers. Students use cross products to solve proportions. Students write directions...
Worksheet
Helping with Math

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...
Worksheet
Helping with Math

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...
Lesson Plan
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Solve for Scale Factors Using Proportions

For Teachers 8th
Eighth graders solve problems using proportions with scaled drawings. They work with maps and blue-prints discussing scales and plans and examine different polygons and figure out the scale factors or proportions they have been changed by.
Lesson Plan
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What's My Ratio?

For Teachers 3rd - 5th
Students investigate ratios of various objects.  For 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. ...
Lesson Plan
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Robot Ratios

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

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