Illustrative Mathematics
Price per Pound and Pounds per Dollar
Help learners understand the concept of unit rate as it is applied to buying beans at a grocery store. The objective is to determine the unit rate in two ways, and then apply each ratio to an additional problem. The attached commentary...
Curated OER
Shopping-Unit Pricing
Comparing unit prices of food products is a skill that learners will use for the rest of their lives. Here is a simple plan that provides practice calculating the unit price for various grocery store products. Use two jars with differing...
National Research Center for Career and Technical Education
Hospitality and Tourism 2: Costing
The lesson plan provides a richly detailed narrative and sample problems for teaching or reinforcing how to work with percentages. In particular, your audience will compute the costs per serving of food and simulate setting menu prices...
101 Questions
Shower v. Bath
Which requires more water--a bath or a shower? Given some specific criteria, learners attempt to answer the question. A video shows how long it takes to fill a gallon container using a faucet and a shower head. Using that information and...
Curated OER
7.RP Music Companies, Variation 2
Real-world multiple-step proportion problems are sometimes hard to find for your math class. Here is one designed specifically to meet that need. Learners use proportional relationships to determine price per share in the acquisition of...
Curated OER
Buying Coffee
Starbucks or house blend? Pupils analyze the unit rate as the cost per pound of coffee. They use a graph to visualize the unit rate given the cost for a quantity other than one pound.
Curated OER
Introducing the Concept: Rates
Sixth graders explore rates as a specific type of ratio, using visual examples of unit rates and unit prices to increase comprehension. They also practice solving problems that are modeled by the instructor. The well-scripted lesson is...
Curated OER
Are You Thirsty?
In this measurement worksheet, students read a table of products sold in a vending machine and their metric capacities. Students solve 6 word problems where they convert milliliters to liters and liters to milliliters. Students use...
EngageNY
Ratios of Fractions and Their Unit Rates 2
Remodeling projects require more than just a good design — they involve complex fractions, too. To determine whether a tiling project will fit within a given budget pupils calculate the square footage to determine the number of tiles...
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.
101 Questions
Would You like Fries with Your Order?
Ever wonder what you are paying for a single fry at McDonald's? An engaging lesson compares the cost per fry in a small order to a larger order. It's a great application of unit rate that is sure to make your classes hungry for more!
101 Questions
Potty Math
You don't want to flush your money down the drain! Have your classes complete a financial comparison between two different types of toilets. They use linear modeling to determine the most cost-effective model.
Curated OER
Shopping the Sunday Circular
Pupils demonstrate an understanding of price-per-unit mathematics. In this computation lesson plan, learners accurately figure the unit price of grocery items. They create a chart and record the item, the price, the size and the cost per...
Curated OER
Take Math Shopping!
Percents, estimation, and comparative analysis become more understandable when they are used in-context at the grocery store.
Curated OER
How Much Is A Gallon?
By engaging in real life examples, learners practice measurement and conversion skills. They review a chart comparing pints, quarts, and gallons. Then, they complete a worksheet involving prices per unit. For example, they calculate how...
Curated OER
How Much Does it Cost to Light Your School?
Learners compute the cost of electricity used to light their classroom and their school for various lengths of time. They compute the amount of coal needed to produce the electricity used for one hour of light in their classroom. An...
Bismarck Public Schools
History & Math of the 1830s
Using this interdisciplinary learning exercise, your young historians will have the opportunity to practice their math skills while learning about the drastic population increase in the United States during the presidency of Andrew...
101 Questions
Gas Station Ripoff
Ever wonder if you can trust the pump that pumps your gas? Budding mathematicians use video evidence to analyze the cost-per-gallon ratio at different intervals for three different pumps. Their goal is to identify the pump that is...
Howard County Schools
Planning for Prom
Make the most of your prom—with math! Pupils write and use a quadratic model to determine the optimal price of prom tickets. After determining the costs associated with the event, learners use a graph to analyze the break even point(s).
Curated OER
Stock Market Math
Learners calculate commission for a stock transaction through a broker using the relationship between percentages and decimals. They decide which stocks are preferable based on the price to earnings ratios listed on the stock market quotes.
Curated OER
Chapter 5 - Objective 5.1 - Unit Rates
In this unit rate instructional activity, students read story problems, determine important information, and write equations to solve the problem. Problems include distance, rate, cost per pound, and total cost. This one-page...
Beyond Benign
Got Gas
How much gas does it take to drive around town? The class uses a variety of mathematical procedures to take a look at the use of gas for transportation. Class members use a different unit to determine the cost of driving a car as opposed...
Mathed Up!
Best Buys
Which scenario is the better deal? Class members examine nine scenarios to determine which choice offers a better deal. Pupils decide whether they need to find unit costs or total prices to compare the two options.
Bonneville
Replacing Fossil Fuels?
Burn through a lesson on fossil fuels. Pupils start a unit by considering why it is difficult to phase out fossil fuels. Using provided data on the energy densities and efficiencies of different fuels, they calculate the number of miles...