Hand trick to help high school students remember the unit circle - works for left or right-handed students.

Hand trick to help high school students remember the unit circle - works for left or right-handed students.

Looking for new dog training tips & tricks? Check out 8 hand signals to teach your dog!

The Top 8 Hand Signals to Teach Your Dog

I taught the Unit Circle in half the time with twice the retention with this trick!   Great supplement to teaching the special triangles!  http://geometrycoach.com/the-unit-circle-hand-trick/

I taught the Unit Circle in half the time with twice the retention with this trick! Great supplement to teaching the special triangles! http://geometrycoach.com/the-unit-circle-hand-trick/

Trigonometric Hand Trick This is an easy way to remember the values of common values of trigonometric functions in the first quadrant.

Trigonometric Hand Trick This is an easy way to remember the values of common values of trigonometric functions in the first quadrant.

Trick Art on Hand - Cool 3D Hole Optical Illusion. Remember that you can slow these down to watch, using the settings wheel in the lower right and clicking on "Speed".

Trick Art on Hand - Cool 3D Hole Optical Illusion. Remember that you can slow these down to watch, using the settings wheel in the lower right and clicking on "Speed".

Why weren't we taught to multiply this way? I never knew any of the hand multiplication tricks...I had to memorize the times tables!!

Why weren't we taught to multiply this way? I never knew any of the hand multiplication tricks...I had to memorize the times tables!!

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