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Lesson Plan
Curated OER

Icing On The Cake

For Teachers 8th
Eighth graders follow a recipe, focusing on the concepts of ratio and proportion, to mix a batch of icing. They decorate cupcakes in the form of a pumpkin.
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Lesson Plan
Curated OER

Crazy Putty Ratio

For Teachers 2nd
Second graders use knowledge of measurements and ratios to mix various combinations of liquid starch and glue. They chart their ratios, make observations, and write a summary of the activity. They mix their own batch of Crazy Putty to...
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Lesson Plan
Curated OER

The Shadow Knows - Measuring Other Students

For Teachers 8th
Eighth graders measure height and shadow length of other students on a sunny day and develop a ratio. They apply the ratio to other students and objects using shadows to determine height.
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Lesson Plan
Curated OER

Ocean Animals vs. Humans

For Teachers 6th - 9th
Students use critical thinking skills to solve word problems using ratios that allow them to compare humans to ocean animals.
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Lesson Plan
Curated OER

Similar or Not?

For Teachers 5th
Fifth graders define the meaning of similar and congruent using concrete objects. They make similar and congruent figures using geoboards. They draw their figures on dot paper, and color their designs.
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Lesson Plan
Curated OER

Population Ratios

For Teachers 4th - 7th
Students access web site and record various population statistics pertaining to a county in the USA of their choice. They use this data to set up and solve ratios. They compare data to make meaning of the numbers.
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Lesson Plan
Curated OER

The Shadow Knows - Measuring A Telephone Pole

For Teachers 3rd
Third graders attempt to determine the height of a telephone pole or tree without climbing to the top.
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Interactive
Government of Alberta

Learn alberta.ca: Math Interactives: Rate/ratio/proportion (Object Interactive)

For Students 6th - 8th Standards
This highly interactive resource uses the backdrop of digital photography to explore equivalent forms of 3-term ratios. Printable activities, solutions, and learning strategies are also provided.
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Article
Arizona State University

Asu: Chicana and Chicano Space

For Teachers 9th - 10th
Provided by Arizona State University, this website is a comprehensive thematic, inquiry-based art education resource. Includes two interdisciplinary units of lessons.
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Website
PBS

Pbs Learning Media: Island of the Little

For Students 3rd - 8th
In this Cyberchase video segment, the CyberSquad is on the Island of the Little and must scale up a small boat that will fit Widgit.
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Website
PBS

Pbs Learning Media: In a Land of Giants

For Students 6th - 8th
In this video segment from Cyberchase, the CyberSquad must scale down a large boat to escape the land of Proporciona, a land of giants.
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Activity
Science Buddies

Science Buddies: How Does Ratio of Sand to Cement Affect Strength of Concrete?

For Students 6th - 8th
Concrete is one of those things that most of us don't think about much, yet we use it every day. We walk on concrete sidewalks, drive on concrete roads, and live and work in buildings with foundations made of concrete. It is a durable...
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Lesson Plan
PBS

Pbs Mathline: How Many Noses Are in Your Arm? Lesson Plan [Pdf]

For Teachers 6th - 8th
Middle schoolers will determine how many noses are in your arm by exploring measurement and ratio. Printable lesson.
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Lesson Plan
PBS

Pbs Mathline: Alphabits Lesson Plan [Pdf]

For Teachers 6th - 8th
Middle schoolers are given a baggy of Alphabits cereal to explore ratios and percents. Printable instructional activity.
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Activity
University of Colorado

University of Colorado: Ph Et Interactive Simulations: Proportion Playground

For Students 3rd - 8th
An interactive simulation that teaches about ratios, proportional reasoning, and unit rate by making predictions and testing proportions while designing a necklace, throwing balloons filled with paint, playing billiards, or shopping for...
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Activity
University of Colorado

University of Colorado: Ph Et Interactive Simulations: Unit Rates

For Students 9th - 10th Standards
An interactive simulation that teaches about ratios, proportional reasoning, and using double number lines to look for patterns through interactions while shopping for fruits, vegetables, and candy and by comparing cars with different...
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Unit Plan
Other

Simple Science: Ramps and Ratios

For Students 9th - 10th
The interactive tutorial explores ramps and ratios. Learners view and analyze images of ramps and steps to see if they conform to the requirements of the Americans with Disabilities Act. The activity has students measure vertical and...
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Unknown Type
McGraw Hill

Glencoe: Self Check Quizzes 2: Ratios

For Students 9th - 10th
Use Glencoe's Math Course 2 randomly generated self-checking quiz to test your knowledge of ratios. Each question has a "Hint" link to help. Choose the correct answer for each problem. At the bottom of the page click the "Check It"...
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Unknown Type
McGraw Hill

Glencoe: Self Check Chapter Test Ratios and Proportions

For Students 6th - 8th Standards
The mathematics resource consists of an assessment with hints and solutions. Students answer questions that review ratios and proportions.
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Unknown Type
McGraw Hill

Glencoe: Self Check Quizzes Ratios 2

For Students 6th - 8th Standards
The randomly generated questions examine ratios. Students answer the multiple choice questions which include hints and solutions.
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Unknown Type
McGraw Hill

Glencoe: Self Check Quizzes Ratios

For Students 6th - 8th Standards
The randomly generated questions explore ratio applications. Students answer the multiple choice questions which include hints and solutions.
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Unknown Type
McGraw Hill

Glencoe: Self Check Quizzes Ratios and Rates

For Students 6th - 8th Standards
Learners assess their mathematics skills by answering these randomly generated multiple choice questions. Topics included are simplifying ratios, solving ratios, and rates.
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Unknown Type
McGraw Hill

Glencoe: Self Check Chapter Test Using Proportional Reasoning

For Students 6th - 8th Standards
The mathematics resource consists of an assessment with hints and solutions. Students answer questions that review proportional reasoning.
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Unknown Type
McGraw Hill

Glencoe: Self Check Quizzes Ratios 3

For Students 6th - 8th Standards
Learners assess their mathematics skills by answering these randomly generated multiple choice questions. Topics included are ratios in simplest form, ratio comparisons, and equivalent ratios.