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In this activity, learners balance chemical equations and discover the law of conservation of mass. Learners use coins to model molecules to balance the equations.

In this math lesson, learners apply measurement skills to determine, in dollar bills, the capacity of a suitcase. In a fictional scenario, the prize for winning a radio contest will provide the...

In this math activity, younger learners select items from a menu and count out the total amount needed using the fewest bills and coins possible. Older learners determine fractions, decimals, and...

In this math lesson, learners play the role of a consumer as they learn how to use different combinations of coins to make money amounts up to 25 cents. Learners earn money and save it in their...

In this fun online game, learners will run their own virtual bakery in order to recognize that people have many wants, that wants are unlimited, and that resources are scarce. The goal is to enable...

In this art-related activity, learners make a coin rubbing—a process similar to what archeologists may do with ancient artifacts. This activity can be used in connection with a history or art...

In this electrochemistry activity, learners will explore two examples of electroplating. In Part 1, zinc from a galvanized nail (an iron nail which has been coated with zinc by dipping it in molten...

In this math activity, learners pretend there is a special store that lets you pay for toys by their weight in pennies. Learners estimate how much toys would weigh in pennies and then use a scale...