Curated OER
Ratios, Proportions, and Percents
Eighth graders use ratios and proportions to solve real-life problems. In this using ratios and proportions to solve real-life problems lesson, 8th graders estimate the cost of a road trip. Students estimate the distance between two...
Curated OER
Ratio, Proportion And Percent
In this math worksheet, middle schoolers evaluate and compare the ratios. They also compare the fractions by solving the proportions.
Curated OER
Ratio and Proportion: Proportional Ratios
In this ratios worksheet, students write yes or no for if the ratios given are proportional or not. Students complete 7 number problems and 5 money problems.
Curated OER
Dried Meat
Students investigate the traditional method of drying meat used by Native Americans. They apply math concepts such as ratio, proportion, percent, and scientific notation to determine the amount of meat the is dried from an animal using...
National Security Agency
It's Probably Probable
Learners make predictions and draw conclusions from given information as they learn the meaning of probability in this vocabulary-rich, integrated activity that presents a variety of teaching strategies to motivate and reach all learning...
Curated OER
Percent Equation 3
In this percent equation instructional activity, students use proportions to find the percent of a given number. This two-page instructional activity contains 12 problems. Answers are provided on the last page of the instructional activity.
Math Mammoth
Ratios and Proportions
For this ratios and proportions worksheet, learners complete several activities that advance their understanding of proportions and ratios. Students solve six equations and five word problems.
Mathematics Assessment Project
Ratios and Proportional Relationships
Time to see what they've learned. Seventh graders solve a set of seven short problems in the ratios and proportional relationships domain. Applications include photo negatives, washing machines, coffee powder, sleep, stamps, etc.
Curated OER
Word Problems Dealing with Ratio and Proportion
Mindful middle-schoolers read and solve a number of word problems. Learners copy and discuss what they believe their strategies are in solving each problem. They also write their findings and share with the rest of the class.
Curated OER
What Are the Odds?
Middle schoolers identify and interpret various ways of expressing probability as a decimal, fraction, percent, or ratio. They solve problems based on probability as they apply to real world applications.
Curated OER
Solving Problems with Proportions
Seventh graders explore the concept of proportions. In this proportion lesson, 7th graders play a review game involving whiteboards. Students work in groups to solve a given proportion the fastest. Students also work in pairs to solve...
Curated OER
Unit 5: Worksheet 4 - Proportion
In this proportion worksheet, students use proportions to find the length of a missing side of similar triangles. They find percent of a number, and solve real life story problems with percents and discounts. This two-page worksheet...
Curated OER
Shots, Standings, and Shopping
Rates and ratios can easily be applied to real-world situations. Learners explore a series of websites in order to procure comparable data. They define ratios and rates, view videos, and use the internet to explore how ratios and rates...
Helping with Math
Ratio and Proportion: Simplifying Ratios (2 of 2)
In this assignment, math stars simplify ratios. The first half just displays numbers, whereas the second half describes real-world scenarios with ratios to be written and reduced. The publisher mentions CCSS.Math.Content.6.RP.3, but it...
Curated OER
Proportional Reasoning
In this proportional reasoning worksheet, students use proportions to solve discount and sale problems. This two-page worksheet contains 4 multi-step problems.
PBS
Real-World Proportional Relationships: Gender Wage Gap
When will the gender wage gap disappear? Scholars use a provided infographic to see trends in wage gap over time. They use ratios of women's wages to men's wages to determine which decades had the greatest change in the wage gap. The...
Florida Center for Instructional Technology
Integrating Mathematics into Literature
You class will read Cucumber Soup by Vickie Leigh Krudwig as an anticipatory set for this lesson plan on ratios. They make models of the insects in the story and then use them as a source of data for this ratio and proportion lesson...
Curated OER
Mixing Up Ratios
Students solve problems of ratio and proportions using hands on. In this algebra lesson, students vary the concentration of a fruit drink using parts of a ratio.
NTTI
If You Hopped Like a Frog
Get your frogs hopping by introducing them to the concepts of ratio and proportion. As a class, they perform arithmetic operations using ratios then discover how they represent quantitative relationships. In groups, they write their own...
Curated OER
All About Ratios
Students investigate the use of multiplication and division of whole numbers to solve problems including equivalent ratios and rates.
Curated OER
Family Letter - Foreign Currency and Exchange Rates: Proportions and Ratios
In this proportions and ratios worksheet, middle schoolers solve 6 short answer problems. Students find the foreign currency exchange rates for six countries. Middle schoolers express the exchange rate as a proportion or ratio.
Illustrative Mathematics
Tax and Tip
Finding out how to calculate tax and tip is a valuable skill that all young adults should be able to do without a calculator. Learners are given a bill and asked to calculate the tax, tip, and total amount. Calculations can be exact or...
Illustrative Mathematics
Gotham City Taxis
Taxi! Have your travelers figure out how far they can go in a taxi for $10.00. They must account for the mileage rate and tip in their calculation. They can set up a table or make an equation to solve for the exact mileage they can...
PBS
The Lowdown — Exploring Changing Obesity Rates through Ratios and Graphs
Math and medicine go hand-in-hand. After viewing several infographics on historical adult obesity rates, pupils consider how they have changed over time. They then use percentages to create a new graph and write a list of questions the...