Investigative Math Ideas
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2-Dimensions
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Conjectures with Geometer's Sketchpad
Triangles and Quadrilaterals
Circles and Polygons
Pythagorean Theorem
Proofs Without Words
Tessellations
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Videos on How To Make Tessellations
Dorm Course Designs
Period 3 Designs
Period 5 Designs
Period 6 Designs
Rearranging 2-D Figures
2 and 3-Dimensions
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Nets and Solids
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Nets
Polyhedra
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Platonic Solids
Tetrahedronal Kites
Numbers
Prime Numbers
Irrational Numbers
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The Golden Rectangle
Fibonacci Numbers
Pascal's Triangle
Figurate or Polygonal Numbers
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Triangular Numbers
Square Numbers
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Hexagonal Numbers and More
Positive and Negative Numbers
Data
Discrete Math
More Examples
Fractals
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Sierpinski
Sierpinski 2
Koch
Mandelbrot
Chaos Game
Fractal Trees
Student Fractals
Counting
Probability
Exploring Probability
Probability in Sports
Productive Thinking
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Think Like a School Math Genius
Mathematical Habits of Mind
Habits of Mind
Critical Thinking
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Numbers and Shapes 1
Numbers and Shapes 2
Pascal to Binomials to Fibonacci
Co-Ordinate Graphing
Science Connections
Programming in LOGO
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Calvin and Hobbes
Frank and Ernest
Randy Glasbergen
Larson
Sidney Harris
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Curious?
Picturing Huge Numbers
Personal Instruction and Exploration
Wolfram Demonstrations
Mathematicians with a bit of History
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Larson
