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|Dennis, David; Addington, Susan|
|"Dedicated to the reform of mathematics education and curriculum through a modern reinvention of the medieval quadrivium" — the upper four liberal arts of geometry, astronomy, arithmetic, and music. The secondary curriculum "Mathematical Intentions" freely offers 50 half-hour lectures in mp3 format, many supporting documents in PDF format, and interactive GeoGebra applets in dynamic geometry and spreadsheets. The textbook "Measuring the World" integrates technology as a tool for problem solving, and "opens the way for a future mathematics curriculum that takes full advantage of modern mathematical technology, in which arithmetic algorithms are studied not only for skills, but also to build understanding about how numbers work."|
|Levels:||Elementary, Middle School (6-8), High School (9-12)|
|Resource Types:||Audio, Courses, Lesson Plans and Activities, Textbooks, Web Interactive/Java|
|Math Topics:||Basic Algebra, Linear Algebra, Arithmetic/Early Math, Polyhedra, Euclidean Plane Geometry, History and Biography, Number Theory, Pre-Calculus|
|Math Ed Topics:||Reform|
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