McGraw Hill
Glencoe: Self Check Quizzes Comparing With Ratios and Rates
The randomly generated questions examine ratio and rate comparisons. Students answer the multiple choice questions which include hints and solutions.
Google
Google for Education: Ratios and Proportions
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.
Student Achievement Partners
Illustrative Mathematics: The Escalator, Assessment Variation [Pdf]
Use this assessment to track students understanding of ratios and rates.
Math Open Reference
Math Open Reference: Ratio
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.
Cuemath
Cuemath: Ratio
A comprehensive guide for learning all about ratios with definitions, ratio scale, ratio meaning, ratio definition, ratio calculator, ratio table, ratio math, ratio formula, solved examples, and practice questions.
Houghton Mifflin Harcourt
Holt, Rinehart and Winston: Homework Help Independent Practice: Ratios and Proportions
Get independent practice working with ratios and proportions. Each incorrect response gets a text box explanation and another try. Correct responses are confirmed.
Houghton Mifflin Harcourt
Holt, Rinehart and Winston: Homework Help Independent Practice: Ratios, Rates and Unit Rates
Get independent practice working with ratios, rates and unit rates. Each incorrect response gets a text box explanation and another try. Correct responses are confirmed.
AAA Math
Aaa Math: Ratios
This lesson explains ratios and how to determine a ratio. Includes examples and games to practice this skill.
Math.com
Math.com: Similar Figures
This example provides a clear explanation of how to compare figures to see if they are similar and the formula to determine if the ratios are equal. Interactive practice activities are provided.
Math.com
Math.com: Proportions
This lesson explains proportions along with the formula to determine if the ratios are equal. An interactive practice activity is included.
AAA Math
Aaa Math: Ratios
This resource describes how to calculate ratios and provides an opportunity for students to practice the skill.
AAA Math
Aaa Math: How to Determine a Ratio
Learners practice writing ratios in lowest terms. The resource consists of a tutorial and self-check practice problems.
University of Waterloo (Canada)
Centre for Education in Mathematics and Computing: Ratio and Rate [Pdf]
Learners explore the concepts of rate and ratio in a variety of problem-solving situations. Worksheets contain definitions and visual representations of concepts. Link to related ratio game. Other skills include measurement, data...
Other
Helping With math.com: Ratios and Unit Rates
This site contains a instructional activity about ratios and unit rates as well as guided and independent practice for students to review the skills.
Indiana University
Indiana University: Area 10 Mathematics and Technology: Graphing Ratios
Activities to explore writing ratios, graphing ratios and using ratios to solve problems. Both a teacher and student guide are included.
Scholastic
Scholastic: Study Jams! Math: Algebra: Ratio
Explore word problems about ratios and watch and listen to all the steps needed to solve.
Mangahigh
Mangahigh: Number: Ratios
Test your knowledge of ratios by determining the equivalents and how to interpret the given ratio.
Mangahigh
Mangahigh: Number: Working With Ratios
Deterime the ratios of amounts to one another and then simplify.
Mangahigh
Mangahigh: Number: Solving Problems With Ratios
Solve ratios with only part of given information.
Mangahigh
Mangahigh: Number: Ratio and Proportion Drawings and Models
Explore ratios in terms of scales on a map.
Mangahigh
Mangahigh: Number: Recognize Proportions
Test your knowledge of proportions and how they relate to parts of a whole.
CK-12 Foundation
Ck 12: Arithmetic: Ratios in Simplest Form
[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...
CK-12 Foundation
Ck 12: Arithmetic: Ratios in Simplest Form
[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.