Geometry
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Critical Thinking Activities for Grades K-3
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Critical Thinking Activities in Patterns, Imagery & Logic / Grades 4-6 (Blackline Masters)
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Introduction to Tessellations
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Critical Thinking Activities in Patterns, Imagery, Logic
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Tessellation Teaching Masters
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Geometric Design: Step by Step
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Visual Patterns in Pascal's Triangle
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Tangramath
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Antique gambling chips
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Favorite Problems
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Target Practice: Challenging Mental Computation, Grades 1-5
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Problem Parade
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Introduction to Line Designs/21113
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Getting Smarter Every Day: Book C
$14.39
Finite Differences: A Pattern-Discovery Approach to Problem-Solving
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Target Practice: Grades 5-12
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Getting Smarter Every Day: Book F
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Tessellation Winners: Escher-Like Original Student Art : The First Contest
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Developing Skills in Estimation
$5.69
Aftermath 2
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Balanced Assessment: High School Package 1, Grades 9-11 (Balanced Assessment for the Mathematics Curriculum)
$22.49
Line Designs
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Tessellation Winners: The Second Contest
$14.89
Getting Smarter Every Day: Book B, Grades 3-5
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Creative Constructions
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Getting Smarter Every Day: Book A (Getting Smarter Every Day)
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Getting Smarter Every Day: Book D, Grades 5-7: Mathematics
$22.59
Holt Geometry Teacher's Edition
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Antique gambling chips with price guide & chip codes
$13.09