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Worksheet
Curated OER

Converting Fractions and Decimals

For Students 5th - 10th
In this conversions worksheet, learners convert fractions, decimals, percents, and ratios. Students complete 10 problems in the chart.
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Lesson Plan
Curated OER

Recipe: Unit Rate

For Teachers 9th - 11th
Young scholars solve problems using ratios and proportions. In this algebra activity, students identify the unit rate and convert between fractions and decimals. They create graphs from their data.
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Lesson Plan
Curated OER

Soda Cans

For Teachers 8th - 10th
Students identify and use properties of similar figures. In this geometry instructional activity, students use proportions of the sides of triangles to solve triangular relationships. They use soda can as their visuals.
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Lesson Plan
Curated OER

Maps

For Teachers 5th - 10th
Students figure out the mileage from one state to another using a map. In this map instructional activity, students look at the scale factor and turn it into a fraction. They measure the distance between two cities and use the proportion...
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Lesson Plan
Curated OER

Similar Triangles

For Teachers 9th - 10th
Students differentiate between similar and congruent triangles. For this geometry lesson, students identify the missing side and angle of a triangle. They identify the different ratio and proportion of the sides of a triangle.
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Interactive
Curated OER

Ratio Worksheets

For Students 5th - 8th
In this ratios worksheet, students complete the ratios of quantities of money, time, and measurements in the lowest terms. Students complete 8 problems total on this worksheet.
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Lesson Plan
Curated OER

Origami Cube

For Teachers 9th - 10th
Students compare two lengths using the area of a square. In this geometry lesson, students solve problems using ratio and proportion of the two shapes. They solve equations by taking the square root of both sides.
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Worksheet
Curated OER

Seven Rates and Ratio Problems Using Tables

For Students 5th - 8th
For this rates and ratios worksheet, students complete tables given rates. This worksheet contains seven multi-part problems where students discover the steps to ratio problems.
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Lesson Plan
Curated OER

Aging & Body Changes

For Teachers 7th - 12th
Students complete several activities that have to do with aging.  In this body changes lesson plan students take group averages, measure flexibility and see their changes over time.
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Lesson Plan
Curated OER

Designed to Scale

For Teachers 7th
Seventh graders study ratios, scale and distances according to a three dimensional model.  In this exploratory lesson students create their own constellation and prepare an oral presentation that describes their model. 
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Interactive
Curated OER

Ten Multiple-Choice Rate, Ratio, and Proportion Problems

For Students 7th
In this rate, ratio, and proportion worksheet, 7th graders solve ten multiple-choice problems.  The solutions are provided by clicking on the "show answers" on the bottom of the page.
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Lesson Plan
Curated OER

Proportions

For Teachers 5th - 7th
Students study proportions. In this mathematics lesson, 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 in proportion...
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Lesson Plan
Curated OER

Currency Exchange

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

Currency

For Teachers 7th - 8th
Students investigate currency and exchange rates.  In the middle school mathematics lesson, students use ratio and proportion to convert from one type of currency to another.  Students solve problems involving currency exchange.
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Lesson Plan
Curated OER

Recipes and Ratios

For Teachers 7th - 8th
Students use ratio and proportions to adjust recipe size.  In this middle school mathematics lesson, students investigate Native American food and adjust the recipe size for said foods to the number of servings needed to feed the...
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Lesson Plan
Curated OER

Ratio and Proportion

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

Carrie the Camel

For Students 9th - 12th
In this Carrie the camel worksheet, students determine the number of bananas the camel can carry over a specified period of time, ar distinctive rate, and under given circumstances.  This one-page worksheet contains 1 word problem. ...
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Worksheet
Curated OER

Similarity

For Students 7th - 12th
In this similarity worksheet, students identify similar shapes.  They determine the scale factor of the similar shapes and find their volume and area.  Students enlarge shapes according to the given scale factor.  They determine the...
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Worksheet
Curated OER

The Two Circles Problem

For Students 11th - Higher Ed
In this area of a circle worksheet, students determine the ratio of common area when two circles overlap and each passes through the center of the other. A detailed sollution is included.
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Lesson Plan
Curated OER

Gingerbread Houses

For Teachers 4th - 6th
Students use their knowledge of fractions and ratios to build gingerbread houses. In this fractions and ratios lesson plan, students use graham crackers, milk cartons, icing, and more.
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Lesson Plan
Curated OER

Designed to Scale

For Teachers 7th
Seventh graders construct a three dimensional model of a constellation. For this constellation lesson, 7th graders make a blueprint for a scale model of the constellation and create their models. They present their models to the class.
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Worksheet
Curated OER

Rate of Work and Motion Problems

For Students 10th - Higher Ed
In this ratw of work and motion worksheet, students solve 14 word problems. Six of the problems are labeled class work, and 8 are labeled homework. Answers to all problems are included at the bottom of the page.
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Lesson Plan
Curated OER

Congruent and Similar figures

For Teachers 8th
Eighth graders explore congruent and similar figures.  In this eighth grade geometry lesson, 8th graders use geoboards to create congruent and similar figures and explore the relationships between the sides and angles. 
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Lesson Plan
Curated OER

Study of Chance

For Teachers 7th
Seventh graders determine the fairness of various games.  In this determining the fairness of various games lesson, 7th graders use spinners, dice, and rock,paper, scissors to play various chance games.  Students determine if each game...