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New York Public Library
What's for Lunch?: New York City Restaurant Menus
Do you remember the days when a cup of coffee cost five cents? At A.W. Dennett restaurant in 1894, you could buy a five-cent cup of coffee and as well as a five-cent slice of pie to accompany it. The menu from that year is a primary...
Teach Engineering
Considering Trade-Offs and Maximizing Efficiency in a Fast Food Restaurant
Make fast food restaurants even faster. Groups consider trade-offs when maximizing efficiency in fast food restaurants. Restructuring schedules and floor plans, as well reassigning job duties, all fall under this directive.
Curated OER
Largest Hamburger Ever?
If a 150 lb. person can comfortably eat and digest a 1 lb. burger, then how large would the person be who can comfortably eat and digest a 350 lb. burger? For a burger that size, it would take either a large person or a class of really...
Curated OER
How Tall is the Average 6th Grader?
Upper grade and middle schoolers explore mathematics by participating in a measuring activity. They hypothesize on what the average height of a male or female 6th grader is and identify ways to find the average mathematically. Learners...
Curated OER
I'll Have an Order of Subtraction Please!
Young scholars explore number values by completing consumer math worksheets. In this math functions lesson, students identify the use of a decimal in numbers and the place values that are represented when dealing with money. Young...
Curated OER
Unstable Table
Bothered by a wobbly table? Learn how to fix this problem using concepts of slope and continuity. Pupils first consider the problem in two dimensions and then progress to three dimensions. The solution is really quite simple.
Curated OER
Shell Sort; Serving up Seafood
Students complete various small group activities to classify items and determine the types of combinations that can be made with these items. In the second instructional activity, students create menus for a restaurant to help them gain...
Curated OER
Investigation: The Local Bagel Shop
Sixth graders explore economics by solving business math problems. In this ratio and proportion lesson plan, 6th graders examine different meals to be purchased at a coffee shop and compare which prices make which meals a better...
Curated OER
Go Figure! Using Percents in the Real World
Sixth graders solve sales tax problems. In this solving sales tax problems lesson, 6th graders find the sales tax on various items. Students are given a list of expenses that a family spent on vacation before taxes. ...
Curated OER
Tax, Tip and Discount Word Problems
Students solve problems involving tax, tips and discounts. In this algebra lesson, students convert between percents and decimals. They calculate commission using conversion from percents and fractions.
Curated OER
Statistical Sampling
Learners collect data in the field and analyze it in class using tables and graphs to determine how many observations of a phenomenon are necessary to draw valid conclusions.
Curated OER
Raising a Healthy Child
Students identify key features in promoting their child's health. They create their own health and wellness plan for their Students.