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Lesson Plan
PBS

Pbs Teachers: Math Space Odyssey: How Much Do You Weigh in Outer Space?

For Teachers 3rd - 8th
Demonstrate the ability to apply the use of decimals, fractions, ratios and proportions to situations based upon given information about planets in the solar system.
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Lesson Plan
PBS

Pbs Mathline: Bead Dazzling (Proportional Reasoning) [Pdf]

For Teachers 3rd - 8th
A comprehensive lesson plan on algebraic thinking where students create and identify patterns using proportional reasoning. Research based, this lesson plan includes technology connections, items for discussion, and extension activities.
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Website
Other

The Futures Channel: Proportional Reasoning

For Students 9th - 10th
"Connecting learning to the real world" is the goal of the Futures Channel. Through the use of short videos, teachers can integrate real-world examples of how math and science are used in everyday life. Complete teaching guidelines...
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Unit Plan
Scholastic

Scholastic: Study Jams! Math: Algebra: Ratio

For Students 5th - 6th Standards
Explore word problems about ratios and watch and listen to all the steps needed to solve.
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Unknown Type
McGraw Hill

Glencoe Mathematics: Online Study Tools: Ratios and Rates

For Students 9th - 10th
This site gives a short interactive quiz which allows students to self-assess their understanding of ratio and rates.
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Activity
University of Cambridge

University of Cambridge: Maths and Sports: Triathlon and Fitness

For Students 5th - 8th
The triathlon is a physically gruelling challenge. Can you work out which athlete burnt the most calories? This activity provides a real-life context for working with proportionality, speed, rates, and units of measurement and is aimed...
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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 7.rp Two School Dance

For Teachers 6th - 8th
The purpose of this task is to see how well students students understand and reason with ratios. This task was adapted from problem #14 on the 2011 American Mathematics Competition (AMC) 8 Test. Aligns with 7.RP.A.3. The site provides a...
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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 7.rp,ee Gotham City Taxis

For Teachers 6th - 8th
The purpose of this task is to give students an opportunity to solve a multi-step ratio problem that can be approached in many ways. The site includes a task and the solution.
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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 6.ee,ns,rp; 8.ee,f Pennies to Heaven

For Teachers 5th - 8th
The goal of this task is to give learners a context to investigate large numbers and measurements. Students need to fluently convert units with very large numbers in order to successfully complete this task. The total number of pennies...
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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 6.ee,rp 7.ee,rp Anna in d.c.

For Teachers 5th - 8th
The purpose of this task is to give students an opportunity to solve a multi-step percentage problem that can be approached in many ways. Because the tax and tip in this problem are a fixed percentage of the cost of the meal, the total...
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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 7.rp Tax and Tip

For Teachers 6th - 8th
This site provides a problem with completed solutions for that problem. This problem covers the topic of sales tax and tips. The problem aligns with 7.RP.A.3.
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Interactive
Mangahigh

Mangahigh: Games: Ratio and Proportion: Use Double Ratios

For Students 6th - 8th Standards
Double ratios are investigated in this mathematics resource. Students learn about double ratios through a lesson with examples and assess their understanding with a learning game.
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Unit Plan
Mangahigh

Mangahigh: Number: Percent Increase and Decrease Calculator

For Students 6th - 8th Standards
Students learn about the concept of percent change by exploring a tutorial. They can then test their knowledge by taking a ten question assessment that increases in difficulty as they correctly answer questions.
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Interactive
Mangahigh

Mangahigh: Number: Ratios

For Students 6th - 9th Standards
Test your knowledge of ratios by determining the equivalents and how to interpret the given ratio.
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Interactive
Mangahigh

Mangahigh: Number: Working With Ratios

For Students 9th - 10th Standards
Deterime the ratios of amounts to one another and then simplify.
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Interactive
Mangahigh

Mangahigh: Number: Use Triple Ratios

For Students 6th - 9th Standards
Test your knowledge of ratios.
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Interactive
Mangahigh

Mangahigh: Number: Ratio and Proportion Drawings and Models

For Students 6th - 8th Standards
Explore ratios in terms of scales on a map.
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Unit Plan
Khan Academy

Khan Academy: Basic Ratios

For Students 5th - 7th Standards
Choose the ratio that goes with a picture of two quantities like apples and bananas. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
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Unit Plan
CK-12 Foundation

Ck 12: Arithmetic: Ratios in Simplest Form

For Students 6th - 8th Standards
[Free Registration/Login may be required to access all resource tools.] In this lesson students simplify ratios by dividing by the greatest common factor. Students examine guided notes, review guided practice, watch instructional videos...
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Unit Plan
CK-12 Foundation

Ck 12: Arithmetic: Ratios in Simplest Form

For Students 6th - 8th Standards
[Free Registration/Login may be required to access all resource tools.] In this lesson students write ratios in simplest form. Students examine guided notes, review guided practice, watch instructional videos and attempt practice problems.
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Activity
Discovery Education

Discovery Education: Web Math: Get Help With Ratios

For Students 9th - 10th Standards
This WebMath site provides a brief description and helpful hints regarding ratios. Content also includes an interactive problem solver complete with a full description of how the answer was accomplished.
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Unit Plan
CK-12 Foundation

Ck 12: Arithmetic: Proportions

For Students 6th - 8th
[Free Registration/Login may be required to access all resource tools.] In this lesson students write and solve proportions. Students examine guided notes, review guided practice, watch instructional videos and attempt practice problems.
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Unit Plan
CK-12 Foundation

Ck 12: Arithmetic: Proportions

For Students 6th - 8th Standards
[Free Registration/Login may be required to access all resource tools.] In this lesson students recognize proportions as a statement of equivalent ratios. Students examine guided notes, review guided practice, watch instructional videos...
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Unit Plan
CK-12 Foundation

Ck 12: Arithmetic: Proportions

For Students 6th - 8th Standards
[Free Registration/Login may be required to access all resource tools.] In this lesson students write proportions and then solve proportions by using equivalent rates. Students examine guided notes, review guided practice, watch...