# Maths videos from Insights into Mathematics (YouTube)

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MathHistory1a: Pythagoras' theorem

WildLinAlg1: Introduction to Linear Algebra (N J Wildberger) - YouTube

Year9Maths1: Review of integer arithmetic - YouTube

WildLinAlg1: Introduction to Linear Algebra (N J Wildberger) - YouTube

WildTrig0: An Invitation to Geometry: the WildTrig series - YouTube

N J Wildberger Research Snapshot: The power method for Diophantine equations - YouTube

FamousMathProbs19a: The most fundamental and important problem in mathematics - YouTube

UnivHypGeom1: Apollonius and polarity - YouTube

MathFoundations80: Inconvenient truths about sqrt(2) - YouTube

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Imaginary and Irrational Numbers - Math pun

Unit circle relationship to sine and cosine

Teach students to measure angles with these protractor worksheets. (You're not going to find better protractor worksheets anywhere on the Internet!)

Image result for egyptian mathematical papyrus

Mental Math Tricks - How to multiply in your head!

Multiplication Interactive Notebook by Not So Wimpy Teacher | Teachers Pay Teachers

Hyperbolic Planar Tesselations

My memory for this kind of thing was much better back in high school, but this still could have been helpful for those pesky reference angles!

Mary Somerville. Though known mainly for her mathematics work, she also wrote on other scientific topics. One of her books is credited with inspiring John Couch Adams to search for the planet Neptune. She wrote about “celestial mechanics” (astronomy), general physical science, geography, and molecular and microscopic science applied to both chemistry and physics.

Pythagoras of Samos - c. 570 BC – c. 495 BC was an Ionian Greek philosopher, mathematician, and founder of the religious movement called Pythagoreanism. He is revered as a great mathematician, mystic and scientist, but he is best known for the Pythagorean theorem :In any right-angled triangle, the area of the square whose side is the hypotenuse is equal to the sum of the areas of the squares whose sides are the two legs (the two sides that meet at a right angle).