CK-12 Foundation
Ck 12: Arithmetic: Ratios
[Free Registration/Login may be required to access all resource tools.] In this lesson students write ratios, order ratios from least to greatest and greatest to least and compare ratio. Students examine guided notes, review guided...
CK-12 Foundation
Ck 12: Arithmetic: Proportions Using Cross Products
[Free Registration/Login may be required to access all resource tools.] In this lesson students identify proportions by cross multiplying or simplifying ratios. Students examine guided notes, review guided practice, watch instructional...
CK-12 Foundation
Ck 12: Arithmetic: Proportions Using Cross Products
[Free Registration/Login may be required to access all resource tools.] In this lesson students use cross products to solve proportions and find the value of the missing variable. Students examine guided notes, review guided practice,...
Khan Academy
Khan Academy: Ratio Tables
Explains what ratio tables are. Includes simple examples and a few practice problems.
Illustrative Mathematics
Illustrative Mathematics: 6.rp, 6.ee Fruit Salad
A fruit salad consists of blueberries, raspberries, grapes, and cherries. The fruit salad has a total of 280 pieces of fruit. There are twice as many raspberries as blueberries, three times as many grapes as cherries, and four times as...
Illustrative Mathematics
Illustrative Mathematics: 7.rp Sore Throats, Variation 1
A performance task asking students to choose and apply an appropriate equation to determine an equivalent ratio for two salt and water mixtures.
Illustrative Mathematics
Illustrative Mathematics: 8.ee Sore Throats, Variation 2
In this task where two saltwater solutions are compared, 8th graders must find equivalent ratios, write an equation that works for both solutions, draw the equation's graph, and interpret the slope as a unit rate. Aligns with 8.EE.B.5.
BBC
Bbc Skillswise: Percent and Fractions: Ratio and Proportion
Activities and factsheets exploring ratios and proportions in everyday life. Interactive, colorful, and fun.
Common Core Sheets
Common Core Sheets: Ratios and Proportional Relationships 7.rp.2c Worksheets
Print or create worksheets or flashcards to assess students' understanding of how to express a proportional relationship as an equation.
Common Core Sheets
Common Core Sheets: Ratios and Proportional Relationships 7.rp.2a Worksheets
Teachers can assess students' knowledge of proportional relationships with these printable worksheets. You can even create your own worksheet or flashcards.
Better Lesson
Better Lesson: Making Equivalent Ratios!
Making equivalent ratios using multiple representations.
ABCya
Ab Cya: Equal Ratios Asteroids
Equal Ratio Asteroids is an educational game for kids that provides practice in finding equal ratios. Asteroids with ratio problems move down from the top of the screen toward your planet. Kids must "equalize" the invaders with the...
PBS
Pbs Learning Media: Engineer a Jetliner
In this interactive lesson, students will experience the engineering design process as an aerospace engineer assigned to design and test an airplane.
Quia
Ixl Learning: Ratios
Brush up on your math skills relating to ratios then try some practice problems to test your understanding.
PBS
Pbs: Kid Vid: Equivalent Ratios
Watch a video of a student thinking through the concept of equivalent ratios and then demonstrate understanding in this interactive from KET. Students review the meaning of equivalent ratio and use the Visualize It! tool to verify that...
PBS
Pbs: Overruled
See if the King, Queen, or one of their loyal subjects can figure out how to solve the problem of their crummy bridge. This animated video from Math Snacks focuses on using what you know about converting measurements and reading a line...
Math Aids
Math Aids: Ratio Worksheets
Great resource for learning and practicing ratios and unit rates. Math worksheets are printable, may be customized, and include answer keys.