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...
Lesson Plan
PBS

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

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

Pbs Mathline: Alphabits Lesson Plan [Pdf]

For Teachers 6th - 8th
Students are given a baggy of Alphabits cereal to explore ratios and percents. Printable lesson.
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...
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...
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...
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"...
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.
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.
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.
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.
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.
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.
Unknown Type
McGraw Hill

Glencoe: Self Check Quizzes 1 Ratios

For Students 9th - 10th
Use Glencoe's 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" button and the...
Unknown Type
McGraw Hill

Glencoe: Self Check Quizzes Comparing With Ratios and Rates

For Students 6th - 8th Standards
The randomly generated questions examine ratio and rate comparisons. Students answer the multiple choice questions which include hints and solutions.
Unknown Type
Google

Google for Education: Ratios and Proportions

For Students 6th - 7th Standards
Students use ratio and rate reasoning to solve real-world and math problems by reasoning about tables of equivalent ratios, tape diagrams, double number line diagrams, or equations.
Unit Plan
Texas Education Agency

Texas Gateway: Solving Problems With Similar Figures

For Students 9th - 10th
Given problem situations involving similar figures, the student will use ratios to solve the problems.
Unknown Type
Student Achievement Partners

Illustrative Mathematics: The Escalator, Assessment Variation [Pdf]

For Teachers 5th - 7th Standards
Use this assessment to track students understanding of ratios and rates.
Unknown Type
Student Achievement Partners

Illustrative Mathematics: Art Class [Pdf]

For Teachers 6th - 8th
Students demonstrate understanding of proportional relationships when completing an assessment.
Website
Other

Center School District: Everyday Math Resources

For Students 3rd - 8th
Everyday Math Resources for 5th grade is an excellent resource for both students and teachers. Twelve math strands are linked to activities and interactive games that support the learning outcomes. Click on links at the top to access...
Website
Rice University

Rice University: Cynthia Lanius: Fun Mathematics Lessons

For Students 3rd - 8th
This resource has mathematics lessons for different levels, from counting to slope. In English and Spanish.
Handout
Math Open Reference

Math Open Reference: Ratio

For Students 5th - 8th Standards
Learn about ratios with this handy reference site. Detailed explanations and examples are used to explain ratios. Also highlights common mistakes that can be made when learning about ratios.
eBook
CK-12 Foundation

Ck 12: Interactive Middle School Math 7 for Ccss

For Students 7th
A complete CCSS Grade 7 Mathematics course that includes interactives in every lesson, plus videos, hands-on activities, and questions with immediate feedback. Every lesson also has specifically chosen 'Related Modalities' that teach the...
eBook
CK-12 Foundation

Ck 12: Interactive Middle School Math 6

For Students 6th
This all-interactive MSM 6 course is a complete and rigorous Grade 6 Mathematics course where the text is the support material, NOT the main content. The course includes instructional interactives, inline immediate-feedback (formative)...