Curated OER
Exploring Similar Polygons
In this exploring similar polygons activity, 10th graders solve 9 various types of problems related to determining whether each polygon is similar or not. First, they write 3 equal ratios to show corresponding sides are proportional to...
Curated OER
PLANETS IN PROPORTION
Students discover scales for both the solar bodies' relative sizes and their distances from the sun. They find equatorial circumference and volumes of their solar bodies. Students apply estimation strategies and proportioanl reasoning to...
Curated OER
Baseball Proportion
Eighth graders measure regular baseball bats and souvenir bats in centimeters. They determine how tall a person would be to be in proportion to the souvenir bat, create a poster depicting the person, and explain the proportional...
Curated OER
Go Fish!
Eighth graders use goldfish crackers to simulate a capture-recapture method of data collection. They fill in a chart and determine the averages. They find the estimated population of fish and the actual population of fish based on the...
Curated OER
Similar Figures
In this similar figures worksheet, students solve and complete 4 different problems. First, they write a proportion and substitute. Then, students find the cross products and simplify. Finally, they divide each side to find the value in...
Curated OER
Proportional Patterns
In this mathematics worksheet on measurement, 5th graders complete several word problems on locating proportional patterns. Then they complete each table with the correct measurements and times for each problem.
Curated OER
Bead It!
Fourth graders use colored beads in two problems and explore the use of proportional reasoning as a problem solving method. Working Students, in groups, explain their reasoning strategies orally, and through drawings.
Shodor Education Foundation
Shodor Interactivate: Mixtures
This activity will help students develop their understanding of percents and proportional reasoning by solving mixture problems. Working with two piles of circles the student determines the number in each pile that will be colored. In...
![Inside Mathematics: Truffles [Pdf] Lesson Plan](https://d15y2dacu3jp90.cloudfront.net/images/attachment_defaults/resource/large/FPO-knovation.png "Inside Mathematics: Truffles [Pdf] Lesson Plan")
University of Texas
Inside Mathematics: Truffles [Pdf]
This task challenges a student to demonstrate understanding of ratios and proportions. Students must determine a generalized rule from an understanding of ratio and proportional reasoning in a given real-world context.
University of Colorado
University of Colorado: Ph Et Interactive Simulations: Proportion Playground
An interactive simulation that teaches about ratios, proportional reasoning, and unit rate by making predictions and testing proportions while designing a necklace, throwing balloons filled with paint, playing billiards, or shopping for...
University of Colorado
University of Colorado: Ph Et Interactive Simulations: Unit Rates
An interactive simulation that teaches about ratios, proportional reasoning, and using double number lines to look for patterns through interactions while shopping for fruits, vegetables, and candy and by comparing cars with different...
McGraw Hill
Glencoe: Self Check Chapter Test Using Proportional Reasoning
The mathematics resource consists of an assessment with hints and solutions. Students answer questions that review proportional reasoning.
McGraw Hill
Glencoe: Self Check Quizzes Interpreting and Applying Proportions
The randomly generated questions examine proportion word problems. Students answer the multiple choice questions which include hints and solutions.
McGraw Hill
Glencoe: Self Check Quizzes Using Proportions 2
The online assessment reviews proportion applications. Students complete the multiple choice questions to test their proportion skills. Hints and solutions are included.
Texas Education Agency
Texas Gateway: Graphing Proportional Relationships
Given a proportional relationship, students will be able to graph a set of data from the relationship and interpret the unit rate as the slope of the line.
Texas Education Agency
Texas Gateway: Determining Arc Length
Given a problem situation involving sectors of circles, the student will use proportional reasoning to solve the problem.
Texas Education Agency
Texas Gateway: Proportional and Non Proportional Linear Relationships
Given problem solving situations, the student will solve the problems by comparing and contrasting proportional and non-proportional linear relationships.
Student Achievement Partners
Illustrative Mathematics: Riding at a Constant Speed [Pdf]
Assess students understanding of proportional relationships with this assessment using speed.
Student Achievement Partners
Illustrative Mathematics: Art Class [Pdf]
Students demonstrate understanding of proportional relationships when completing an assessment.
PBS
Pbs Learning Media: Ratio and Proportional Reasoning: Food Labels
Learn how to use fractions to interpret food labels and make healthy eating choices.
Texas Instruments
Texas Instruments: Just How Many Are There?
This activity introduces students to the concept of using proportional reasoning to estimate the size of an animal population.
Texas Instruments
Texas Instruments: Meal Manager
In this activity, students can use percentages and proportional reasoning skills to solve problems.
Texas Instruments
Texas Instruments: Set Design
In this activity, students can use similarity concepts, and the dimensions of the carvings on Mt. Rushmore to create a proportional representation of the carvings for a stage backdrop.
Texas Instruments
Texas Instruments: Stepping Stones
In this activity, students use volume formulas and proportional reasoning to calculate the amount of concrete needed to make stepping stones of a specific size.