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Worksheet
Curated OER

Leveled Problem Solving Solving Proportions Using Cross Products

For Students 4th - 7th
In this solving proportions using cross products practice worksheet, students sharpen their problem solving skills as they solve 6 story problems.
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Lesson Plan
Curated OER

Study Buddies - Proportions

For Teachers 6th - 7th
Middle-schoolers solve various problems related to proportions. They write ratios in word form and then, replace the words with numbers. Pupils also write an equation in which they will cross-multiply to solve the proportion. This is an...
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Worksheet
Curated OER

Algebra Using Proportions

For Students 10th
In this algebra using proportions instructional activity, 10th graders solve 14 various types of problems by applying algebra methods to geometry. First, they solve each of 8 proportions using cross products. Then, students use the...
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Worksheet
Curated OER

Ratio and Proportion: Basic Operations and Applications

For Students 7th - 9th
Learners explore example problems dealing with ratios and proportions. Afterward, they read story problems and solve them using ratios and proportions. This four-page worksheet contains six multi-step problems.
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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...
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Lesson Plan
Curated OER

Developing the Concept: Proportions

For Teachers 5th - 6th
Young scholars solve problems with proportions. In this proportions lesson, students solve word problems as they learn about how to set up formulas for solving proportions. Young scholars then solve problems using proportions.
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Lesson Plan
Curated OER

Proportionally Speaking!

For Teachers 6th - 8th
Pupils are introduced to the concept of proportions. In groups, they practice solving equations and identify the fraction and ratio as well. They complete a worksheet following the steps outlined to them to review the concept.
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Lesson Plan
Curated OER

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...
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Lesson Plan
Curated OER

Translate Word Phrases and Sentences into Equations

For Teachers 8th - 11th Standards
Use this video to show your learners an example of how to translate word phrases into an equation to solve a real-world problem. The presenter begins with a review of how to use cross products to solve a proportion, including how to do...
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Lesson Plan
Curated OER

Ratios, Proportions, and Cross-multiplication

For Teachers 6th - 8th
Students 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.
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Lesson Plan
Curated OER

Solving Problems with Proportions

For Teachers 7th
Seventh graders explore the concept of proportions. In this proportion lesson plan, 7th graders play a review game involving whiteboards. Students work in groups to solve a given proportion the fastest. Students also work in pairs to...
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Unit Plan
Newspaper Association of America

By the Numbers: Mathematical Connections in Newspapers for Middle-Grade Students

For Teachers 6th - 8th Standards
A cross-curricular resource teaches and reinforces mathematical concepts with several activities that use parts of a newspaper. Scholars use scavenger hunts to find the different ways math is used in the paper along with using data...
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Worksheet
Curated OER

Using the Proportion Method to Solve Percent Problems

For Students 8th - 10th
For this algebra worksheet, students calculate the percents of a number. They convert between decimals and percents. There are 20 questions with an answer key.
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Lesson Plan
Curated OER

Currency Exchange

For Teachers 6th - 8th
Students investigate the currency exchange rate.  In this middle school mathematics instructional activity, student use proportions to exchange between the U.S. dollar and the euro.  Students come up with a product they would like to buy...
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Lesson Plan
Curated OER

Scale Me Down

For Teachers 5th - 8th
Students create scale drawings, and ultimately scale models, of real-world objects in this Math lesson about ratios, proportion, scaling factors, and cross products. The lesson includes ideas for cross-curricular extensions and is...
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Lesson Plan
Curated OER

Converting fraactions and percents

For Teachers 6th
Sixth graders practice the conversion of percents and fractions. They focus on the fact of both fractions and percents are part of a whole. In the independent practice the students also work with solving proportions.
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Lesson Plan
Curated OER

Rates And Unit Price

For Teachers 8th - 10th
In this rates and unit price worksheet, students problem solve and calculate the answers to ten word problems and mathematical equations dealing with ratios, proportion and missing values.
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Lesson Plan
Curated OER

Similar Triangles - Applied Problems

For Teachers 9th - 12th
Students differentiate between similar and congruent triangles. In this geometry lesson, students identify the angles of triangles using the similarity theorem. They apply concepts of triangles to the real world.