Lesson Plan
Willow Tree

Ratios and Proportions with Congruent and Similar Polygons

For Students 8th - 11th Standards
Investigate how similar and congruent figures compare. Learners understand congruent figures have congruent sides and angles, but similar figures only have congruent angles — their sides are proportional. After learning the...
Worksheet
Math Mammoth

Ratios and Proportions

For Students 5th - 6th
For this ratios and proportions instructional activity, learners complete several activities that advance their understanding of proportions and ratios. Students solve six equations and five word problems.
Worksheet
Math Mammoth

Problems with Ratios

For Students 7th - 8th
In this math worksheet, students compare four sets of ratios. They solve four proportions. Students use proportions and ratios to solve four word problems.
Worksheet
Curated OER

Ratio Tables

For Students 7th - 8th
In this ratio table activity, students complete ten ratio tables. Students identify three equivalent fractions to equal the value of the given one. This one-page activity contains ten problems.
Lesson Plan
Curated OER

Effects of Changing Dimensions Proportionally

For Teachers 10th
In this geometry worksheet, 10th graders examine the effect of changing the dimensions of a figure proportionally on the perimeter, circumference, and area.  The one page worksheet contains six problems.  Answers are...
Lesson Plan
Illustrative Mathematics

Cooking with the Whole Cup

For Teachers 6th - 7th Standards
Whoops! Travis accidentally put too much butter into the recipe. Your bakers must find out how to alter the recipe to accommodate different changes by using unit rates and ratios . The activity has multiple parts and calculations with...
Instructional Video4:00
PBS

Math with Jake: Transposition Using Ratios

For Students 6th - 8th Standards
The star of the show is ratios. The informative resource explains how to transpose music using ratios. Individuals transpose the song "Twinkle, Twinkle" in the activity by applying their ratio skills. The activity challenges class...
Worksheet
Curated OER

Ratios and Equivalent Ratios

For Students 6th - 7th
In this equivalent ratios worksheet, students simplify 6 ratios and write each in 2 different ways. Students solve 8 proportional equations using equivalent ratios to find a missing term. Students solve 2 test prep questions regarding...
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...
Worksheet
Curated OER

Ratio Problems and Bar/Block Models Two

For Students 5th - 8th
Learners complete word problems about ratios using fractions, money, and more. Pupils complete four problems.
Instructional Video3:36
New Mexico State University

Bad Date

For Students 6th - 7th Standards
Get the best ratio for a good date. The class watches a video where dates are rated based on the ratio of words spoken. Pupils then use the ratios in the video along with other given ratios to find equivalent ratios. Finally, they...
Lesson Plan
Curated OER

Ratios and Proportions Word Problem Worksheet

For Teachers 5th - 6th
In this ratios and proportions worksheet, students solve 7 word problems. They are given the ratio in each problem so that they can apply it when solving the problem.
Worksheet
Skills Workshop

Ratio, Scale, and Proportion

For Students 6th - 8th Standards
Converting units is an excellent example of how math relates to our everyday tasks. The resource prompts mathematicians to use baking, cooking, and other daily activities to discover how to make larger quantities of...
Lesson Plan
02 x 02 Worksheets

Proportions

For Teachers 7th
Cut-and-paste a great activity into your lesson plans. Scholars analyze real-world problems involving proportions. To change things up a bit they cut-and-paste quantities to create a proportion on their way to solving the problems.
Lesson Plan
Illustrative Mathematics

Two-School Dance

For Teachers 7th - 9th Standards
Who's ready for the dance? When two middle schools combine for a dance, your learners' job is to calculate the ratio of girls attending. Provided with three different solutions, you can choose from setting up a ratio, linear equation, or...
Assessment
Mathematics Assessment Project

Ratios and Proportional Relationships

For Teachers 7th Standards
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.
Lesson Plan
Curated OER

Art Class, Variation 1

For Teachers 6th - 8th Standards
Student statisticians calculate ratios to determine how many shades of green were mixed by Ms. Baca's art class. They graph the number of blue parts against the number of yellow parts for each combination and discover that some produce...
Worksheet
Mathed Up!

Ratio

For Students 4th - 7th Standards
Practice makes proficient! Here, scholars practice their ratio skills to convert measurements while cooking. Nine problems make up a nine-page document equipped with clear instructions and advice for successful completion while working...
Worksheet
Curated OER

Create Proportions

For Students 4th - 5th
In this ratio worksheet, students create the correct proportion from the given set of numbers. There are six sets of numbers.
Worksheet
Curated OER

Ratio and Proportion: Write and Interpret

For Students 8th - 10th
In this ratio and proportion worksheet, learners explore example problems. Afterwards, they read story problems and use ratios and proportions to find the solution. This three-page worksheet contains six multi-step problems,
Interactive
Curated OER

Ten Multiple-Choice Rate, Ratio, and Proportion Problems

For Students 7th
In this rate, ratio, and proportion worksheet, 7th graders solve ten multiple-choice problems.  The solutions are provided by clicking on the "show answers" on the bottom of the page.
Worksheet
Helping with Math

Ratio and Proportion: Writing Ratios (1 of 2)

For Students 4th - 6th Standards
Here is the first of two printable ratio worksheets. For the first three problems, pupils count the numbers of two different objects and simply write down the ratios. There are then four problems in word form for which they also write...
Worksheet
Helping with Math

Ratio and Proportion: Simplifying Ratios (1 of 2)

For Students 5th - 10th Standards
Here is a set of 24 pairs of numbers for which kids reduce the ratios to their simplest form. It is a simple and straightforward assignment, meant by the publisher to address CCSS.Math.Content.6.RP.3. Note, however, that it only requires...
Worksheet
Curated OER

Using Proportions To Solve Word Problems

For Students 4th - 5th
In this proportion worksheet, students solve a set of 7 questions using proportion. A reference web site for additional activities is given.

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