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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...
Federal Reserve Bank
The Case of the Shrunken Allowance
An allowance is an important thing! Make sure your kids know how to save and spend their own money. Using the book The Case of the Shrunken Allowance as a starting point, this plan covers income, spending and saving, counting, and more.
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...
Perkins School for the Blind
Counting Cups
Teach one-to-one correspondence, fine motor, and counting skills to your learners with visual disabilities. Included are a set of activity suggestions, which are useful when teaching a variety of different early math skills. Braille,...
Federal Reserve Bank
Sheep in a Shop
What do you think sheep might be able to barter when they don't have quite enough to buy a gift? Your pupils can find out this and much more during this lesson about Sheep in a Shop, spending, saving, and bartering.
Freecloud Design
Mathmateer
Three, two, one...liftoff! Elevate math skills to new heights while having a blast. A great resource that combines entertainment and education for children of all ages.
National Museum of Nuclear Science & History
Nuclear Popcorn
Make your lesson on radioactive decay pop with this lab exercise. Using popcorn kernels spread over a tabletop, participants pick up all of those that point toward the back of the room, that is, those that represent decayed atoms. As the...
Discovery Education
Discovering Math: Beginning Measurement
Weight, time, length, cost, and mass are all things we can measure. Learners are introduced to the concepts they'll need to know before embarking on any measurement adventure. They are introduced to each type of measurement and types of...
Computer Science Unplugged
The Peruvian Coin Flip–Cryptographic Protocols
A digital flip. Introduce your classes to cryptographic protocols using and, or, and not gates. Groups create a complete circuit to convert a binary number into another one. This type of one-way function allows pupils to...