Utah Education Network (UEN)
Linear Graphs Using Proportions and Rates
Using a TI-73 or other similar graphing calculator middle school math majors investigate the linear relationship of equivalent proportions. After a brief introduction by the teacher, class members participate in a timed pair share...
Illustrative Mathematics
Sore Throats, Variation 2
What does math have to do with a sore throat? When you mix water and salt you have a great review of how to represent proportional relationships by an equation or graph. Here the proportions of the mixtures may be different, but the...
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...
Curated OER
Super Size It, Please!
Pupils take photos from a given distance and determine the height of the person using a scale factor. Pupils calculate the ratio of student actual height to student photo height. They take pictures from 3 different distances to see if...
Curated OER
Hybrid Vehicles: Cut Pollution and Save Money
Math and science meet in this lesson on hybrid electric automobiles. This 24-page resource provides everything you need for teaching a lesson that compares the use of internal combustion engines to hybrid electric engines. Participants...
Curated OER
Stock Swaps, Variation 2
If Microsoft wanted to take over Apple, how many shares would they need to break even? This is an ideal task for seventh graders who are studying proportional relationships and applying them to real-world scenarios. Use it as an...
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
Using Proportions to Estimate
Students calculate ratio and proportion. In this unit rates instructional activity, students estimate using proportions and find their errors in doing so. They calculate unit rates and define the concept of unit rates.
Curated OER
Proportional Problems 1
Eighth graders explore representing fractions as ratios and proportions. They model proportions through the use of blocks, LEGO gears and activities with bicycle gears and pedals. Students work with bicycle gear boxes to observe and...
Curated OER
Using Ratios to Taste the Rainbow
Students solve problems using ratios and proportion. In this algebra lesson, students analyze skittles and their different colors as they apply the properties of ratios and proportions to solve their problems.
Curated OER
Comparing Ratios
Learners solve problems using ratio and proportion. In this math comparison instructional activity, students identify methods used to solve and compare ratio and proportion in the real world. They apply criss cross multiplying to solve...
Curated OER
Proportion Problems
Seventh graders explore the concept of proportions. In this proportions lesson, 7th graders determine which offer is the better deal given two pizza offers. Students use cross products to solve proportions. Students write directions...
Curated OER
Ratios and Proportions
In this ratios and proportions worksheet, students complete a series of short answer questions based on different charts and word problems dealing with ratios and proportions. Students complete 9 problems.
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
Recipe: Unit Rate
Young scholars solve problems using ratios and proportions. In this algebra lesson, students identify the unit rate and convert between fractions and decimals. They create graphs from their data.
Curated OER
Ratio and Proportion
Students investigate ratio and proportion. In this middle school mathematics lesson, students write ratios and find equal ratios. Students use ratio and proportion to distinguish between healthy and unhealthy body proportions.
Curated OER
Ratio and Proportion
Students explore ratios and proportions. In this ratios lesson plan, students work in groups to identify the ratio of boys to girls, as well as the ratio of vowels to consonants in their names. Given a bag of candy, students work in...
Curated OER
Proportions a/b=c/d
Students calculate distance and proportion of objects. In this algebra lesson plan, students define proportion and how it is used in math. They solve the problem through guided instruction.
Curated OER
Ratios, Proportions, and Percents
Eighth graders use ratios and proportions to solve real-life problems. For this using ratios and proportions to solve real-life problems lesson, 8th graders estimate the cost of a road trip. Students estimate the distance...
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...
Curated OER
Investigation - The Local Bagel Shop
Sixth graders investigate unit pricing to find which cup of coffee is a better buy. They use ratio and proportions to solve problems involving a change of scale in drawings, maps, recipes, etc. Students determine the unit cost of items...
Curated OER
60-30-10
Students use ratios and proportions to represent quantitative relationships as they investigate the concept of how percentages are used by designers. Students decorate the same room using three different percentages of colors.
Curated OER
Rates and Proportions
Students read a cookie recipe and complete a worksheet that asks them to establish ratios and proportions for various ingredients in the recipe.
Curated OER
Ratio
Students calculate the ratio and apply it to construction. In this geometry lesson plan, students convert between different units and use decimals and fractions interchangeable. They find the fraction of a given amount using the...