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Scholastic

Study Jams! Proportions

For Students 4th - 7th Standards
Join Zoe and Sam as they use proportions to budget money for their Green Earth Club. Watch as they set up and solve a series of proportions using cross multiplication and division. A great resource that brings together prior knowledge of...
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Worksheet
Curated OER

Ratio and Proportion 7.1

For Students 5th - 6th
In this calculating ratio and proportion instructional activity, students write rations in their simplest form, write in the form 1:n for ratios, and solve word problems. Students solve 4 problems.
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Assessment
Mathematics Assessment Project

Ratios and Proportional Relationships

For Teachers 7th Standards
Time to see what they've learned. Seventh graders solve a set of seven short problems in the ratios and proportional relationships domain. Applications include photo negatives, washing machines, coffee powder, sleep, stamps, etc.
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Lesson Plan
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National Security Agency

Partying with Proportions and Percents

For Teachers 6th - 8th Standards
Examine ratios and proportions in several real-world scenarios. Children will calculate unit rates, work with proportions and percentages as they plan a party, purchase produce, and take a tally. This lesson plan recommends five...
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Lesson Plan
Curated OER

Baseball Proportion: Student Worksheet

For Teachers 3rd - 4th
In this mathematics worksheet, students model a batting stance with a regulation size baseball bat. Then they model the batting stance with a souvenir miniature baseball bat. Students measure the length of each bat in centimeters and use...
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Lesson Plan
Curated OER

Art Class, Variation 1

For Teachers 6th - 8th Standards
Student statisticians calculate ratios to determine how many shades of green were mixed by Ms. Baca's art class. They graph the number of blue parts against the number of yellow parts for each combination and discover that some produce...
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Lesson Plan
Curated OER

Scale/Ratio

For Teachers 6th - 8th
Investigate the use of ratios in scale drawings. Learners scale objects up or down using ratios then find the actual size of something using ratios. They apply their knowledge of ratios as they make their own telescopes in science class....
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Worksheet
Curated OER

Ratio and Proportion 2

For Students 6th
In this evaluating knowledge of ratio and proportion worksheet, 6th graders complete the mental tests simplifying ratios, solving word problems, and converting foreign money. Students solve 24 problems.
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Lesson Plan
Curated OER

Understanding Proportions and Scale Drawings

For Teachers 7th - 8th
Proportions are ratios found using multiplication or division. Middle schoolers solve measurement problems, find a figure's missing dimension, and find the distance between two points. Resource features four lesson plans with detailed...
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Worksheet
Helping with Math

Ratio and Proportion: Writing Ratios (2 of 2)

For Students 4th - 7th Standards
Elementary and middle schoolers use pictures to figure out simple ratios and complete ratio word problems. An example is done for learners in which three apples and seven oranges are displayed. The answer simply is a ratio of 3:7. The...
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Worksheet
Helping with Math

Ratio and Proportion: More Writing Ratio

For Students 6th - 8th Standards
Three ratio word problems make up this concise assignment. Mathematicians compare blondes to redheads, red and white shirts, and action-adventure and sports video games. The write ratios to answer the questions. Use this as a class warm...
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Worksheet
Helping with Math

Ratio and Proportion: Simplifying Ratios (2 of 2)

For Students 6th - 9th Standards
In this assignment, math stars simplify ratios. The first half just displays numbers, whereas the second half describes real-world scenarios with ratios to be written and reduced. The publisher mentions CCSS.Math.Content.6.RP.3, but it...
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Worksheet
Curated OER

Ratio and Proportion

For Students 9th - 11th
In this ratio and proportion worksheet, students read problems and solve proportion problems. They determine the best buy and identify the ratio of different sized polygons. This four-page worksheet contains 7 multi-step problems....
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Lesson Plan
Curated OER

Ratio and Proportion

For Teachers 7th - 8th
Students investigate ratio and proportion.  In this middle school mathematics instructional activity, students write ratios and find equal ratios.  Students use ratio and proportion to distinguish between healthy and unhealthy body...
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Worksheet
Curated OER

Proportions

For Students 8th - 10th
In this proportions learning exercise, learners solve and complete 7 various types of problems. First, they determine the better buy based on the information provided for each word problem. Then, students find the value of a variable...
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Lesson Plan
Curated OER

Ratios And Scale

For Teachers 9th - 12th
students investigate the concept of using a ratio in the work of construction and solve problems using real life applications. They read descriptions of how various types of construction professionals use ratios on the job. The lesson...
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Worksheet
Curated OER

Baseball Proportion: Student Worksheet

For Students 4th - 6th
Here is a simple and clever activity which illustrates the concept of mathematical proportion and size quite effectively. In it, two pupils hold baseball bats: one is a regulation-size bat, the other is a miniature souvenir bat. The...
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Lesson Plan
Curated OER

Proportionality Using Labyrinths and Mazes

For Teachers 6th - 9th
Conduct research on the Internet about labyrinths and mazes to learn about proportions and ratios. Inquisitive minds design their own maze, one maze is chosen and proportionately enlarged to 20 feet by 30 feet. This is a fun challenge...
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Lesson Plan
Curated OER

Investigation - The Local Bagel Shop

For Teachers 6th
Sixth graders investigate unit pricing to find which cup of coffee is a better buy. They use ratio and proportions to solve problems involving a change of scale in drawings, maps, recipes, etc. Students determine the unit cost of items...
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Lesson Plan
Curated OER

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...
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Lesson Plan
Curated OER

Using Proportions to Estimate

For Teachers 8th - 10th
Students calculate ratio and proportion. In this unit rates lesson, students estimate using proportions and find their errors in doing so. They calculate unit rates and define the concept of unit rates.
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Lesson Plan
Curated OER

Using Ratios to Taste the Rainbow

For Teachers 9th - 11th
Students solve problems using ratios and proportion. In this algebra lesson, students analyze skittles and their different colors as they apply the properties of ratios and proportions to solve their problems.
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Lesson Plan
Curated OER

How Many Noses Are in Your Arm?

For Teachers 6th - 8th
Middle schoolers apply concept of ratio and proportion to determine length of Statue of Liberty's torch-bearing arm. They view video of Statue of Liberty, determine how long statue's arm would be if its nose measures four feet six...
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Lesson Plan
Curated OER

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.