mathmarsha blog
Wednesday, July 28, 2010
Interactive online
Games
SET
4 × 4 × 4 Tic Tac Toe
and another version
Nim
and another Nim
Mastermind
Make 24
Puzzles
Sudoku
Tower of Hanoi
and another
Find the fake coin in 3 weighings
Ivars Peterson's MathTrek - The Counterfeit Coin
see also
Tools
Intelligent Online Graphing Calculators: WebGraphing.com
Illuminations: Paper Pool
Illuminations: Turtle Pond
Illuminations: Shape Tool
Illuminations: Isometric Drawing Tool
Illuminations: Geometric Solids
Illuminations: Circle Grapher
Illuminations: Bar Grapher
Manipulatives
National Library of Virtual Manipulatives
Geoboard from Interactive Mathematics Miscellany and Puzzles
Flexagon Portal - Home
Murderous Maths: The Fabulous Flexagons
Video: How to Flex a Hexaflexagon
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