How should a cashier stock a cash register with coins? Learners use mathematical modeling and expected value to determine how many rolls of coins of each type they should place in a cash register.

Fifth graders share the book, "The Story of Money" and discuss the uses of money, bartering, trade and the history of money. Students discuss various ways of spending: cash, check, debit/credit cards and review the check writing process....

Students are presented with the question: "Do longer legged people run faster than shorter legged people?" Students conduct an experiment, collect their data, create box and whisker plots using a computer and graphing program, and...

Third graders brainstorm on what they believe they do on their summer vacation. They explore how family and relatives are important in their lives. They read along with their teacher a book about relatives.

Third graders explore WWII by analyzing technological advances. In this invention lesson, 3rd graders discuss the use of the Enigma machine which decoded private German messages that communicated with U-boats. Students utilize a timeline...

Students review the use of intentional torts. In groups, they use specific statements and use them in hypothetical situtations. For each category, they write a statements about the situation and discuss them as a class. They complete a...

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. ...

Students gain an appreciation for the simplicity, but also complexity and elegance of PCR. They comprehend all components of the protocol. Students explain exactly how CPR works, and why, after the third cycle, the predominant DNA being...