101 Questions
Finals Week
What energy drinks have the highest concentration of caffeine? Pupils compare five energy drinks with different amounts of caffeine and different volumes. They must solve the ratios to understand the differences. An extension compares...
101 Questions
Ants Marching
Your classroom will be rockin' during an toe-tapping lesson! Dave Matthews inspires a lesson on proportions as youth listen to a song and predict its length. Lesson materials provide learners with ordered pairs that mark the time slider...
Yummy Math
Glowing Rectangles?
Middle school math masters use ratios to determine the missing dimensions of various HD television screens. They also compare different dimensions of screens and determine whether or not they fit the same ratio. They perform similar...
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...
Curated OER
Working with Percentages and Proportions
In this percentages and proportions worksheet, students are given percentages, they express them as a proportions, they create an equivalent ratio using "x" for the unknown portion and they cross multiply and divide to find their answer.
Curated OER
Proportional Reasoning: Ratio Applications
In 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...
Curated OER
Applying Proportionality in Scale Drawings
Sixth graders examine a blue print and discuss the reasoning behind using blue prints. In this proportionality lesson, students collaborate with their teammates to create a scale drawing. Once that is complete, 6th graders write a...
Curated OER
Math Regents Exam Questions: Verbal Problems Involving Ratio
In this ratios worksheet, students solve 6 multiple choice and short answer word problems. Students use ratios of boys to girls and deer to foxes to find the number of boys, girls, deer, and foxes in a given population.
Curated OER
Math Regents Exam Questions: Proportions
In this proportions worksheet, students solve 1 multiple choice question. Students determine the amount of milk needed to keep a cake recipe proportional.
Curated OER
Solve Percent Problems Using Proportions
Students explore proportions and ratios. For this solving percent problems lesson, students examine percent problems including tax and percent of change.
Curated OER
Glencoe - Proportions and Similar Triangles
In this proportions and similar triangles learning exercise, high schoolers solve 14 multiple choice problems. Students find unknown sides of similar triangles using proportions. High schoolers multiply means and extremes to solve...
Curated OER
Worksheet 2: In/Out Table of Returns of Corn Yields
In this function worksheet, students determine the gross price earned per acre of crops planted. They recognize ratios and proportions as they determine the yield of each crop.
Curated OER
Proportions a/b=c/d
Young scholars calculate distance and proportion of objects. For this algebra lesson, students define proportion and how it is used in math. They solve the problem through guided instruction.
Curated OER
Daily Time Ratios
Students track and record how much time they spend on each activity. In this spreadsheet instructional activity, students apply different functions using Microsoft excel to format cells and calculate the sum of their total time...
Scholastic
Study Jams! Similar Figures
Discover how triangles are congruent based on their sides, angles, and proportionality. Learners explore the ways to determine similarity at their own pace, and then they practice afterwards with an assessment.
Curated OER
Practice: Word Problems
Congratulations, you've just hit the word problem jackpot! Covering an incredible range of topics from integers and fractions, to percents, geometry, and much more, this collection of worksheets will keep young mathematicians...
Curated OER
House Project
Make young mathematicians' dreams a reality with this fun drawing project. Given the task of designing their dream home, students create drawings and physical models that demonstrate their understanding of proportion and scale.
Illustrative Mathematics
Buying Gas
A quick problem to test your middle schoolers' knowledge of dividing with decimals. Also a good practice of unit rates, they must compute the cost of one gallon of gas when given the total amount for a fill up. Can be used as a preface...
CCSS Math Activities
Smarter Balanced Sample Items: 7th Grade Math – Claim 3
Does the explanation make sense? Sample items highlight claim three, communicating reason, in the Smarter Balanced assessments. Teachers use the 16 items to help show pupils the importance of communication and reasoning within...
Curated OER
Relative Ratios
Students discover that proportions are made up of equal ratios each containing the same building blocks. They, using the Internet, apply their knowledge of direct relationships and proportions to problems in planetary science.
Curated OER
Using Ratios
Students study the Golden Ratio and its relationship to Renaissance artists. After exploring proportions and ratios used by Renaissance artists, students create a mix of ten variations of color paint, and record the ratios of primary...
Math Mammoth
Problems with Ratios
In this math worksheet, students compare four sets of ratios. They solve four proportions. Students use proportions and ratios to solve four word problems.
Curated OER
Quilting with Middle School Students: Using Proportionality to Develop Quilt Designs
Learners use quilt patterns to illustrate ratios. In this fractions activity, students color quilt patterns using given fractions and ratios of colors. A finished "quilt" is assembled from the work of the learners. This is an...
Curated OER
Ratio of Similarity
In this ratio of similarity worksheet, 10th graders solve and complete 20 different problems that include defining the ratio of similarity in various figures. First, they determine the ratio of similarity for large and small pairs of...