
In his senior year of high school, Daniel Larsen proved a key theorem about Carmichael numbers — strange entities that mimic the primes. “It would be a paper that any mathematician would…






Solving Rational Real World Problems


This playlist consists of 22 videos all about systems of linear equations. Teachers can use these videos to support their lesson plans and engage students. These videos each cover specific topics…


This playlist consists of 48 videos all about exponents expressions and equations. Teachers can use these videos to support their lesson plans and engage students. These videos each cover specific…


This playlist consists of 48 videos all about exponents expressions and equations. Teachers can use these videos to support their lesson plans and engage students. These videos each cover specific…


Watch the next lesson: https://www.khanacademy.org/math/algebra/rationalandirrationalnumbers/rationalandirrationalexp...
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Practice this lesson yourself on KhanAcademy.org right now:
https://www.khanacademy.org/math/algebra/rationalandirrationalnumbers/rationalandirrationalexp...
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Watch the next lesson: https://www.khanacademy.org/math/algebra/rationalandirrationalnumbers/rationalandirrationalexp...
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Learn that the sum or the product of two rational numbers is always a rational number.
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Welcome to How to Solve OneStep Inequalities with Mr. J! Need help with solving inequalites? You're in the right place!
Whether you're just starting out, or need a quick refresher, this…


Welcome to When to Flip the Inequality Sign with Mr. J! Need help with when to flip an inequality sign? You're in the right place!
Whether you're just starting out, or need a quick…


Algebra 1 Unit 7 Lesson 9 Video Notes  Factoring Polynomials with 4 terms


Learn about Writing Expressions (5.OA.2) with Mr. J. Whether you're just starting out, need a quick refresher, or here to master your math skills, this is the place for everything 5th grade…


Stick and Stone by Beth Ferry
Stick and Stone are on their own, until a chance encounter with a boorish bully (Pine Cone), inspires Stick to stick up for stone. The new pals head off on an…
