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Curated OER
All About Money
Few topics engage young mathematicians as much as learning about money. Through a series of shared readings and hands-on activities, children explore the US currency system, learning how to count money and calculate change as they create...
Illustrative Mathematics
Coins in a Circular Pattern
What starts as a basic question of division and remainders quickly turns abstract in this question of related ratios and radii. The class works to surround a central coin with coins of the same and different values, then develops a...
American Museum of Natural History
Mint Your Own Coin
Provide young archaeologists with an opportunity to craft their own artifacts. The step-by-step directions in an engaging resource show them how to mint their own coin, complete with image, date, and motto.
Carstens Studios
Math Doodles
Discover the joy and excitement of improving your math fluency through four different puzzles. Combine those with 25 different ways to represent numbers and you have hours of enjoyment that can be fun outside of the classroom as well.
Federal Reserve Bank
Creditors’ Criteria and Borrowers’ Rights and Responsibilities
Discover what criteria creditors use for making loans (the 3 Cs of Credit), and impress upon your young adults the rights and responsibilities related to using credit. Pupils role play as individuals seeking or providing credit, as...
San Francisco Public Utilities Commission
Water from the Well
How much water does it take to brush your teeth? How about to wash your clothes? Perform an experiment that measures water usage in everyday tasks and compares them to the days before indoor plumbing, specifically the California...