Noyce Foundation
Candy Fractions
While examining fractions and ratios, your leaners get to read about one of their favorite subjects: candy! There are four word problems on this instructional activity. Learners consider situations in which "for every x caramels there...
101 Questions
They Cost Peanuts
Save pennies on your peanuts. Scholars first examine a picture of a supermarket display showing salted peanuts sold by the pound and by the bag. They apply the idea of unit rate to determine which is cheaper.
Illustrative Mathematics
Data Transfer
A question to ask your class is, How fast is your Internet? That depends on the data transfer rate (DTR), which is the unit rate used in this activity. Math students will calculate how long it takes to download a music file and a video...
Illustrative Mathematics
Voting for Two, Variation 4
After elections, the total amount of votes is not specified but the ratio of votes is. Your learners' job is to determine the fraction of votes John received above half of all votes. The problem can be solved abstractly or by other...
Illustrative Mathematics
Voting for Two, Variation 3
After calculating election votes, your learners must determine how many votes the winner, John, got above 50%. This multi-step problem encourages them to think in a deeper way about what the question is asking them to find. Use with...
Illustrative Mathematics
Voting for Two, Variation 2
John won the election, but by how much more? Your learners will calculate how many votes each candidate received in order to determine the difference. Use with other lessons provided in the series to practice different variations of this...
Illustrative Mathematics
Voting for Two, Variation 1
The votes are in and your mathematicians are going to calculate how many votes each candidate received. Three different solution choices are given, depending on which method is taught. Have your learners set up a table, compute parts, or...
National Research Center for Career and Technical Education
Health Science: Back to Basics
This lesson focuses on unit conversion, proportions, ratios, exponents, and the metric system. Discuss measurement with your math class and demonstrate how to solve several health-science word problems. Give learners a chance to visit an...
Yummy Math
Twinkies
Brian was devastated when Hostess® filed for bankruptcy, and he was also fearful that his favorite snack treat would be lost forever. The snack food was in danger of being lost, your class won't be lost when using Twinkies® as the...
Curated OER
Boorito!
Delicious Chipotle burritos are a big treat, especially when they are offered for only $2.00. This Halloween-themed learning experience isn't tricky, but learners will need to think critically about division with large numbers in order...
Helping with Math
Ratio and Proportion: More Writing Ratio
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...
Curated OER
Fit With Fiber
Sixth graders investigate the nutritional value of different types of cereal. They take a survey of students that ate breakfast and create a circle graph with the results. Students examine the nutritional information on the sides of the...
Curated OER
Circles in the Landscape: Irrigating Oklahoma Crops
How do you grow crops in a area with insufficient rainfall? Why you irrigate, of course. Class members investigate irrigation systems by designing a system of their own. After examining irrigation related concepts, vocabulary terms, and...
Helping with Math
Ratio and Proportion: Rates
Unit rates are introduced to your math minors on this printable worksheet, complete with answers. There are only three problems: the first involves biking speeds, the second the cost of bracelets, and the third the cost of apples....
Curated OER
Managing Nutrients in Livestock Manure
Livestock managers reinforce math and science skills while learning about the nutrients found in manure. They predict which animal produces the largest amount and which animal's manure contains the most nitrogen. Finally, they compare...
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 Quizzes Ratios 2
The randomly generated questions examine ratios. Students answer the multiple choice questions which include hints and solutions.
McGraw Hill
Glencoe: Self Check Quizzes Ratios
The randomly generated questions explore ratio applications. Students answer the multiple choice questions which include hints and solutions.
McGraw Hill
Glencoe: Self Check Quizzes Ratios and Rates
Learners assess their mathematics skills by answering these randomly generated multiple choice questions. Topics included are simplifying ratios, solving ratios, and rates.
McGraw Hill
Glencoe: Self Check Quizzes Ratios 3
Learners assess their mathematics skills by answering these randomly generated multiple choice questions. Topics included are ratios in simplest form, ratio comparisons, and equivalent ratios.
McGraw Hill
Glencoe: Self Check Quizzes Comparing With Ratios and Rates
The randomly generated questions examine ratio and rate comparisons. Students answer the multiple choice questions which include hints and solutions.
Google
Google for Education: Ratios and Proportions
Learners use ratio and rate reasoning to solve real-world and math problems by reasoning about tables of equivalent ratios, tape diagrams, double number line diagrams, or equations.
Math Open Reference
Math Open Reference: Ratio
Learn about ratios with this handy reference site. Detailed explanations and examples are used to explain ratios. Also highlights common mistakes that can be made when learning about ratios.
Cuemath
Cuemath: Ratio
A comprehensive guide for learning all about ratios with definitions, ratio scale, ratio meaning, ratio definition, ratio calculator, ratio table, ratio math, ratio formula, solved examples, and practice questions.