But Why Does It Work?: Mathematical Argument in the Elementary Classroom

But Why Does It Work?: Mathematical Argument in the Elementary Classroom

Geometry: Measuring Space in One, Two, and Three Dimensions Casebook

Geometry: Measuring Space in One, Two, and Three Dimensions Casebook

Number and Operations, Part 1: Building A System of Tens Casebook

Number and Operations, Part 1: Building A System of Tens Casebook

Geometry: Examining Features of Shape Casebook (Developing Mathematical Ideas)

Geometry: Examining Features of Shape Casebook (Developing Mathematical Ideas)

Patterns, Functions, and Change (Developing Mathematical Ideas)

Patterns, Functions, and Change (Developing Mathematical Ideas)

Number and Operations, Part 2: Making Meaning for Operations Casebook

Number and Operations, Part 2: Making Meaning for Operations Casebook

Geometry: Examining Features of Shape Casebook

Working with Data: Statistics Casebook (Developing Mathematical Ideas series)

Working with Data: Statistics Casebook (Developing Mathematical Ideas series)