Problem Solving	1.1 Seeing and Extending Patterns with Pattern Blocks
	1.2 Geometric Number Patterns with Color Tile
	1.3 Solving Story Problems with Algebra Pieces

Sets, Functions, and Reasoning	2.1 Sorting and Classifying with Attribute Pieces
	2.2 Graphing Spirolaterals
	2.3 Logic Problems for Cooperative Learning Groups

Whole Numbers	3.1 Models for Numeration with Multibase Pieces
	3.2 Adding and Subtracting with Multibase Pieces
	3.3 Multiplying with Base-Ten Pieces
	3.4 Dividing with Base-Ten Pieces

Number Theory	4.1 Models for Even Numbers, Odd Numbers, Factors and Primes
	4.2 Models for Greatest Common Factor and Least Common Multiple

Integers and Fractions	5.1 Black and Red Tile Model for Integers
	5.2 Fraction Bar Model for Equality and Inequality
	5.3 Computing with Fraction Bars

Decimals: Rational and Irrational Numbers	6.1 Decimal Squares Model
	6.2 Operations with Decimal Squares
	6.3 A Model for Introducing Percent
	6.4 Irrational Numbers on the Geoboard

Statistics	7.1 Randomness, Sampling and Simulation in Statistics
	7.2 Scatter Plots: Looking for Relationships
	7.3 Statistical Distributions: Observations and Applications

Probability	8.1 Probability Experiments
	8.2 Multistage Probability Experiments

Geometric Figures	9.1 Figures on Rectangular and Circular Geoboards
	9.2 Regular and Semiregular Tessellations
	9.3 Models for Regular and Semiregular Polyhedra
	9.4 Creating Symmetric Figures: Pattern Blocks and Paper Folding

Measurement	10.1 Measuring with Metric Units
	10.2 Areas on Geoboards
	10.3 Models for Volume and Surface Area

Motions in Geometry	11.1 Locating Sets of Points in the Plane
	11.2 Drawing Escher-type Tessellations
	11.3 Devices for Indirect Measurement

	Answers to Puzzlers
	Answers to Selected Activities
	Credits
	Index
	Materials Appendix