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Lesson Plan
Curated OER

Is Bigger Always Better?

For Teachers 6th - 8th
Explore rational numbers with the young mathematicians in your class. They will investigate decimals, fractions, and percents before ordering and comparing rational numbers. This multi-day unit includes differentiation activities and...
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Lesson Plan
Illustrative Mathematics

Sore Throats, Variation 2

For Teachers 6th - 8th Standards
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...
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Lesson Plan
Curated OER

Recipe: Unit Rate

For Teachers 9th - 11th
Students 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.
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Worksheet
Curated OER

Ratio, Proportion And Percent Worksheet

For Students 6th - 8th
In this math worksheet, students examine the answers to a formal assessment focusing on the concepts of ratio, proportion, and percent.
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Worksheet
Helping with Math

Ratio and Proportion: Simplifying Ratios (2 of 2)

For Students 6th - 9th Standards
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...
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Worksheet
Curated OER

Rates and Ratios 3

For Students 7th - 9th
In this rates and ratios worksheet, students write proportions to match the given problem. They determine unit rates for a given situation. This two-page worksheet contains 4 problems. Answers are provided on the last page.
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Lesson Plan
Curated OER

Investigation - The Local Bagel Shop

For Teachers 6th
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...
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Worksheet
Helping with Math

Ratio and Proportion: More Writing Ratio

For Students 6th - 8th Standards
Three ratio word problems make up this concise assignment. Mathematicians compare blondes to redheads, red and white shirts, and action-adventure and sports video games. The write ratios to answer the questions. Use this as a class warm...
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Activity
101 Questions

Shower v. Bath

For Teachers 6th - 8th Standards
Which requires more water--a bath or a shower? Given some specific criteria, learners attempt to answer the question. A video shows how long it takes to fill a gallon container using a faucet and a shower head. Using that information and...
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Worksheet
Curated OER

Ratio and Proportion: Basic Operations and Applications

For Students 7th - 9th
Learners explore example problems dealing with ratios and proportions. Afterward, they read story problems and solve them using ratios and proportions. This four-page worksheet contains six multi-step problems.
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Assessment
1
1
California Education Partners

Photos

For Students 7th Standards
Why do all sizes of pictures not show the same thing? Class members analyze aspect ratios of various sizes of photos. They determine which sizes have equivalent ratios and figure out why some pictures need to be cropped to fit particular...
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Lesson Plan
Curated OER

Word Problems Dealing with Ratio and Proportion

For Teachers 6th - 8th
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.
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Lesson Plan
Curated OER

Algebra 1: Slope as Rate

For Teachers 7th - 9th
Young scholars solve problems with slopes. In this algebra lesson, students identify the slope of a line and relate it to the rate of change.  They graph their lines on the TI and observe changes in the lines.
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Lesson Plan
Curated OER

Using Proportions to Estimate

For Teachers 8th - 10th
Students calculate ratio and proportion. In this unit rates lesson, students estimate using proportions and find their errors in doing so. They calculate unit rates and define the concept of unit rates.
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Worksheet
Curated OER

Ratio, Proportion And Percent

For Students 6th - 8th
In this math worksheet, students evaluate and compare the ratios. They also compare the fractions by solving the proportions.
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Lesson Plan
Curated OER

Ratios, Rates, Percent and Nutrition

For Teachers 6th - 8th
Examine food labels to determine percentage of fat and sugar to total calories with middle schoolers. Daily nutritional guidelines are discussed and learners will decide how well their foods fit into a healthy diet. In the provided...
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Activity
101 Questions

Leaky Faucet

For Teachers 6th - 8th Standards
A dripping faucet may be enough to drive you crazy, but it also teaches you a little about ratios. Presented with the volume of a sink and the rate the water is dripping, scholars must devise a plant to determine how long it will take...
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Worksheet
Curated OER

Ratio and Proportion

For Students 9th - 11th
In this ratio and proportion worksheet, students read problems and solve proportion problems. They determine the best buy and identify the ratio of different sized polygons. This four-page worksheet contains 7 multi-step problems....
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Worksheet
Curated OER

Proportional Reasoning: Ratio Applications

For Students 8th
For this ratio applications worksheet, 8th graders solve and complete 24 various types of problems that include proportional reasoning. First, they solve each pair of similar figures for the given variable. Then, students write and solve...
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Assessment
Noyce Foundation

Cereal

For Teachers 6th - 7th Standards
Find the best protein-packed cereal. The short assessment task covers equivalent and comparing ratios within a context. Pupils determine the cereal with the highest ratio of protein. A rubric helps teachers with point allotments for...
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Lesson Plan
Illustrative Mathematics

Buying Bananas, Assessment Version

For Teachers 7th - 9th Standards
Practice with unit rates, proportions, and ratios when Carlos purchases an amount of bananas. Learners must interpret a graph to decide whether points on the same line represent similar proportional relationships. Use with lesson plans...
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Lesson Plan
Illustrative Mathematics

Gotham City Taxis

For Teachers 6th - 8th Standards
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...
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Worksheet
Noyce Foundation

Candy Fractions

For Teachers 6th Standards
While examining fractions and ratios, your leaners get to read about one of their favorite subjects: candy! There are four word problems on this worksheet. Learners consider situations in which "for every x caramels there are y...
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Lesson Plan
Mathalicious

New-tritional Info

For Teachers 6th - 8th Standards
Burning off a Big Mac® doesn't seem like a big feat until you calculate the minutes of exercise necessary to break even. Young mathematicians look at different menu items in relation to different body weights and exercises to calculate...