Illustrative Mathematics
Overlapping Squares
The objective of this activity is to find the percent of the area of a two squares overlapping. Mathematicians find the ratio of area for the part that overlaps to the rectangle formed. The final answer is a percent as a rate per 100....
Curriculum Corner
Unit Rate Problem Solving
Eight word problems and a well organized answer sheet make up a practice page designed to reinforce unit rates.
Curated OER
Stock Swaps, Variation 3
More on the fictitious takeover of the Apple Corporation by Microsoft. For this scenario, Microsoft has $28.00 per share to spare, so how many do they need to offer to make an even trade? This is an engaging problem to solve when...
EngageNY
Comparison Shopping—Unit Price and Related Measurement Conversions II
Which rate is greater and by how much? Pupils continue to compare rates to solve problems in the 20th portion of a 29-part series. Rates are presented in a variety of representations either using the same representation or different...
Curated OER
Ratio, Rates and Percentages
For this ratio, rates and percentages worksheet, 8th graders solve 22 various types of problems related to ratios, rates and percentages. They first write ratios in lowest terms and describe each of comparison stated. Students also solve...
Curated OER
Ratios, Rates and Percentages
In this ratios, rates and percentages worksheet, 6th graders solve 16 different types of problems that include writing each ratio as a decimal and a fraction in lowest terms as a percent. They also arrange numbers in ascending order and...
Curated OER
Ratio and Proportion
In this ratio and proportion activity, students solve 22 short answer and multiple choice problems. Students use rates, proportions, and ratios to solve each problem.
Curated OER
Rates And Unit Price
For this rates and unit price worksheet, students problem solve and calculate the answers to ten word problems and mathematical equations dealing with ratios, proportion and missing values.
Curated OER
Surface to Volume Ratios
Young scholars measure the rate of diffusion and to calculate the surface area to volume ratios of varying cell sizes. The lesson is very clearly organized with a useful student worksheet provided. They perform a lab experiment which is...
Curated OER
Mixing Up Ratios
Students solve problems of ratio and proportions using hands on. In this algebra lesson plan, students vary the concentration of a fruit drink using parts of a ratio.
Curated OER
Ratio and Proportion
In this ratio and proportion activity, students read problems and solve proportion problems. They determine the best buy and identify the ratio of different sized polygons. This four-page activity contains 7 multi-step problems. Answers...
Curated OER
Basic Skills: Unit Rates
In this unit rates worksheet, students determine the unit rate of given data. This three-page worksheet contains 20 problems. Answers are provided on the last page of the worksheet.
Curated OER
Proportional Reasoning: Ratio Applications
In this ratio applications learning exercise, 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...
Curated OER
Developing the Concept: Rates
Learners discover how to use the knowledge of unit rates to understand equivalent ratios and solve real-world problems. They are given word problems to solve using equivalent ratios. Tables are also covered in this resource.
Curated OER
Learning About Ratios: A Sandwich Study
Students gain a concrete introduction to the concept of ratios. They demonstrate the ability to create ratios using peanut butter and jelly. They, in groups, construct 6 different sandwiches using different amounts of each food.
EngageNY
Percent Rate of Change
If mathematicians know the secret to compound interest, why aren't more of them rich? Young mathematicians explore compound interest with exponential functions in the twenty-seventh installment of a 35-part module. They calculate future...
Curated OER
NFL Home Field Advantage?
Does the home team have the home field advantage in football? Class members look at a graph that displays wins at home and wins on the road for each NFL team from 2002–2012. Then they answer eight word problems that look at the...
University of Las Vegas
Heart Rate and Physical Activity
What is heart rate? What is pulse? How do you find a heart rate by taking a pulse? What determines a person's heart rate? Will heart rate increase by doing some activity? Does exercising regularly strengthen the heart muscle? Take a look...
Illustrative Mathematics
Running at a Constant Speed
The learner must use the given constant speed to find the unit rate. A table is made in order to relate the speed to the time and the distance. From the table, learners are able to see the unit rate in miles per minute and miles per...
Curated OER
Family Letter - Foreign Currency and Exchange Rates: Proportions and Ratios
In this proportions and ratios worksheet, students solve 6 short answer problems. Students find the foreign currency exchange rates for six countries. Students express the exchange rate as a proportion or ratio.
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 worksheet. Learners consider situations in which "for every x caramels there are y...
National Security Agency
Partying with Proportions and Percents
Examine ratios and proportions in several real-world scenarios. Children will calculate unit rates, work with proportions and percentages as they plan a party, purchase produce, and take a tally. This lesson plan recommends five...
Curated OER
Taking Its Toll
Students explore ratios. For this rates lesson, students create a ratio to compare the price of a toll to the distance travelled. They compute the average cost per mile, determine the slope between two ordered pairs, and make...
Illustrative Mathematics
Gotham City Taxis
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...