Catherine Twomey Fosnot

Constructivism

Young Mathematicians at Work, 3

Models of intervention in mathematics

Young mathematicians at work

Constructivism

Games for Young Mathematicians: Book Two

From Fives and Tens to Automaticity

Time and Money

Comparing Favorite Collections

The Timekeepers

Elapsed Time, Weight, and Liquid Volume

Building Benches and Measuring Tools: Introduction to Fractions

Conferring with Young Mathematicians at Work

Investigating Multiplication and division: Getting Started with Contexts for Learning Mathematics, Grades 3-5

Investigate Fractions

Investigate the Number System

Young Mathematicians at Work

Young mathematicians at work

Muffles' Truffles

Field Trips and Fund-Raisers: Introducing Fractions (Contexts for Learning Mathematics, Grades 4-6: Investigating Fractions, Decimals and Percents)

The Tshirt Factory Place Value Addition And Subtraction

Best Buys, Ratios, and Rates: Addition and Subtraction of Fractions (Contexts for Learning Mathematics, Grades 4-6: Investigating Fractions, Decimals, and Percents)

Big Dinner

The Teachers' Lounge: Place Value and Division (Contexts for Learning Mathematics, Grades 3-5: Investigating Multipliction and Division)

Investigating Number Sense Addition And Substraction Addition On The Open Number Line

Bunk Beds and Apple Boxes: Early Number Sense (Contexts for Learning Mathematics, Grades K-3: Investigating Number Sense, Addition, and Subtraction)

Ages and Timelines: Subtraction on the Open Number Line (Contexts for Learning Mathematics, Grades K-3: Investigating Number Sense, Addition, and Subtraction)

Box Factory

Overview Investigating Number Sense, Addition, and Subtraction Grades K - 3

Investigating Fractions, Decimals, and percents Grades 4-6 Overview

The Masloppy Family Goes to New York City (Big Book)

Contexts for Learning Mathematics Level 1 Read-Alouds (Contexts for Learning Mathematics)

Contexts for Learning Mathematics Level (Contexts for Learning)

Turkey Investigations, Grades 3-5

Young Mathematicians at Work, 2

Young Mathematicians at Work, 1

Number Detectives

From Sunflowers to Growth Patterns

All About Sharks: Data Representation and Analysis

The Gang's All Here

Value Bars and Line Plots

Stairsteps and Scales

Puzzle Packing Companies

Tabletops, Floors, and Fields: Area, Perimeter, and Partitioning

Surveyors and Subways

Farms and Fences: Linear Measurement

Baby's Wild Adventure: Shapes and Navigation

The Architects' Project: Area, Volume, and Nets

Organizing and Collecting: The Number System (Contexts in Learning Mathematics, Grades K-3: Investigating Number Sense, Addition, and Subtraction)