Curated OER
The Unitary Method
In this math learning exercise, students are given a proportion statement. They use this ratio to solve related questions. Students compute the amount of food needed for one person and then for 500 people. Students convert between Euros,...
Curated OER
A Geometry Worksheet - Similar Triangles
In this similar triangles worksheet, high schoolers find the scale factor of 6 sets of similar triangles. Students find the scale factor of two similar triangles given a sketch with measurements. High schoolers use proportions to find a...
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Rates and Ratios
In this rates and ratio learning exercise, students determine the ratio for a given situation. They use proportions to solve problems. This two-page learning exercise contains 4 multi-step problems. Answers are provided on the last page.
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Rates and Ratios 3
In this rates and ratios instructional activity, students write proportions to match the given problem. They determine unit rates for a given situation. This two-page instructional activity contains 4 problems. Answers are provided on...
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Percent Equation 3
For this percent equation worksheet, students use proportions to find the percent of a given number. This two-page worksheet contains 12 problems. Answers are provided on the last page of the worksheet.
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Chapter 8 Extra Problems Worksheet: Similar Triangles
In this similar triangles instructional activity, high schoolers solve 6 similar triangles. Students use proportions to solve similar triangles and similar rectangles.
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Solving Equations Using Two Operations
Need more detail in showing your class how to solve two-step equations and proportions? This lesson plan outlines the steps young mathematicians need to solve simple equations and check their results.
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Harry's Job at a Candy Store
Teach the class how to multiply fractions by a whole number with a Cyberchase video and real-world problems. This lesson includes a video, a worksheet and assessment options.
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7.RP Music Companies, Variation 1
We've got the beat! And your musically-minded mathematicians will tap their toes as they determine which music company would be getting a better deal based on their offers to buy out TunesTown. The topic is extended in an additional...
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How Fast is Usain Bolt?
Revisit the 2012 Summer Olympics by having seventh graders calculate the unit rate sprinting speed of the 100-meter gold medal winner.
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PLANETS IN PROPORTION
Students discover scales for both the solar bodies' relative sizes and their distances from the sun. They find equatorial circumference and volumes of their solar bodies. Students apply estimation strategies and proportioanl reasoning to...
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What proportion of rough rice is prepared into consumable rice?
Fifth graders find the percentages of rough rice that can be eaten. In this percentage lesson, 5th graders look at 100 lbs. of rough rice and see the steps needed before it can become the white rice sold in stores. They find the...
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Solving Percent Problems with Proportions
Seventh graders explore the concept of percent problems. In this percent problem lesson, 7th graders use proportion equations to solve percent problems. Students find percentages of numbers and use proportions to determine percents in...
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Proportion to Percentage
In this division worksheet, 7th graders divide the proportion number given by the whole and move the decimal point to place to find the percent value.
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Learning How To Include Proportional Figures and Objects in Landscape Drawings
Fourth graders are shown a slideshow of paintings showing landscapes. They create their own landscape painting using proportional figures.
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Leveled Problem Solving Writing and solving Proportions
In this proportions activity, students solve the world problems by writing and solving proportions for the given fractions in the six problems.
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What percent of ratio is proportion?
Ninth graders investigate the concepts of ratio and proportion.They solve examples with the teacher for ratios and proportions. A basic fraction review is used for a warm up in this lesson. The primary focus of the lesson appears to be...
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A Matter of Proportion
Students measure the relative heights of the mosaic giraffe and its trainer and compare their proportions to an actual giraffe and zoo trainer.
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Ratios and Proportions
Seventh graders explore the concept of ratios and proportions. For this ratios and proportions lesson, 7th graders work in groups to measure their heights and their arm span. Students compare their height to their arm span. Students make...
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Solving Problems Using Proportions
In this math worksheet, students solve the problems that are in word form in order to find the proper type of proportion for the solution.
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Leveled Problem Solving Using Proportions with Similar Polygons
In this proportions and similar polygons activity, students solve the problems that use proportions, rations, fractions, and similar polygons.
Curated OER
Proportions in Flight
Sixth graders explore physics by utilizing their math skills. In this flight properties lesson, 6th graders examine the flying capabilities of planes and birds. Students utilize math to find how many wing-beats are needed to keep a bird...
EngageNY
The Unit Rate as the Scale Factor
Discover the scale factor by finding the constant of proportionality. Pupils investigate drawings to determine whether the distances are proportional. The activity defines the scale factor as the constant of proportionality, or unit...
Illustrative Mathematics
Buying Bananas, Assessment Version
Practice with unit rates, proportions, and ratios when Carlos purchases an amount of bananas. Learners must interpret a graph to decide whether points on the same line represent similar proportional relationships. Use with lesson plans...
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