CK-12 Foundation
Ck 12: Complex Numbers
[Free Registration/Login may be required to access all resource tools.] This lesson covers the powers of i, and adding and subtracting complex numbers, as well as how to plot them in the complex plane. Students examine guided notes,...
TED Talks
Ted: Ted Ed: How to Organize, Add and Multiply Matrices
When you're working on a problem with lots of numbers, as in economics, cryptography or 3D graphics, it helps to organize those numbers into a grid, or matrix. Bill Shillito shows us how to work with matrices, with tips for adding,...
Other
Milwaukee Public Schools: Standard k.cc.4.c: Intervention Activity: Add One
Observe students while they complete the following sheet to see how they discuss and match the numbers with the visual representation. Included is a score sheet to record data.
Math Planet
Math Planet: Monomials and Adding or Subtracting Polynomials
Gain an understanding of how to add or subtract polynomials by viewing an example and a video lesson.
Calculator Soup
Calculator Soup: Long Addition Calculator
Add whole numbers and decimal numbers using long addition showing work. This calculator shows all the steps for adding numbers with long addition.
PBS
Pbs Kids Afterschool Adventure!: Operation: Rainbow Math Activity Plan
Red apples, orange candles, yellow stars, green frogs, and blue, indigo, and violet flowers-they all add up to Rainbow Math fun! During this adventure children learn the colors of the rainbow as they practice counting, adding and...
PBS
Pbs: Gauss Arithmetic Sequence Strategy
Learn how mathematician Karl Friedrich Gauss figured out how to sum up any arithmetic sequence without having to add up each and every term. This video focuses on using your critical thinking to follow along as Gauss determines his...
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