Number Theory Teacher Resources
Find Number Theory educational ideas and activities
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Composition and Decomposition of Ten
Using a variety of mathematical models, 1st graders play partner games to compose and decompose the number ten. They practice counting all and counting on with number lines and 10 frames. Instructions for games are not included, but there is a list of several resources for teaching number sense.
K - 1st Math
My Favorite Number
Students create art in order to vent their frustrated feelings. This is to replace any behavior that is done verbally or physically and is used as a classroom management tool. They practice the skills of using primes, multiples, composites, squares, odds, and even numbers.
3rd - 5th Math
Income Levels and Social Class
Learners examine the relationship between income levels and social class. Using the Internet, they read various stories in which they guess what the social class of each character and answer discussion questions. They develop graphs to compare the social class of the scenarios in a worksheet.
5th - 8th Math
Will the Best Candidate Win?
Students explore the concepts of voting and the variety of voting methods. In this voting system lesson plan, students investigate the advantages and disadvantages of each method. Students collect data and record combination patterns on activity sheets.
9th - 12th Social Studies & History