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CAS Musings

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Visit this site: https://casmusings.wordpress.com/

Author:Chris Harrow
Description: Blog by a math teacher at a prep school in Ohio. Posts, which date back to March, 2011 and emphasize science, technology, engineering, and mathematics (STEM) and computer algebra systems (CAS), have included "Transforming inverse trig graphs"; "Birthday Problem redux"; "Area 10 Squares"; "Creative Subtraction for the Very Young"; "Polar Graphing Surprise"; "Odyssey Robotics"; "Trig Identities with a Purpose"; "Mobius Strip for Chanukah"; "Polar Derivatives on TI-Nspire CAS"; "Algebra Explorations Before Algebra"; "Finding area"; "Number Bases and Polynomials"; "Base-x Numbers and Infinite Series"; "Traveling Dots, Parabolas, and Elegant Math"; "Birthdays, CAS, Probability, and Student Creativity"; "Next Steps from a Triangle"; "Recentering Normal Curves, revisited"; "How One Data Point Destroyed a Study"; "Value Process over Answers"; "Many Roads Give Same Derivative"; "Envelope Curves"; "Exponentials Don't Stretch"; and "Midpoints, midpoints, everywhere!" The co-author of a precalculus textbook, Harrow serves the Hawken School as its Mathematics Chair.

Levels: Middle School (6-8), High School (9-12)
Languages: English
Resource Types: Video, Calculators, Problems/Puzzles, Web-Based Discussions, Humor, Topic Tools Miscellaneous
Math Topics: Basic Algebra, Linear Algebra, Exponents/Roots, Logarithms, Patterns/Relationships, Problem-Solving, Calculus (Single Variable), Euclidean Plane Geometry, Number Theory, Pre-Calculus, Probability, Statistics, Engineering, Computer Algebra
Math Ed Topics: Problem-Solving, Materials-Reviews/Recommendations, Activities, Technology in Math Ed, Staff/Prof Development

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