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Multiplication Challenge
Author:
Steve Phelps
Topic:
Multiplication
Get as many problems correct out of 30 problems as you can! Try to go as fast as you can! Then try it again to beat your best number of correct problems and best time!
GeoGebra
New Resources
Napoleon's Theorem
Stairs (Optical Illusion)
Pelecoid
van Aubel's Theorem
"Compressed" Astroid as Envelope
Discover Resources
Proof Construction 1: Congruent Triangles
SSS: Exercise 2
Trapezoids
Water Tower (Dan Meyer) Angle of Elevation Word Problem
Vector arithmetic - adapted from Integral
Discover Topics
Quadratic Functions
Optimization Problems
Scalene Triangles
Percentages
Orthocenter