To view the documents available in the Investigations Library click on one of the categories below or browse all document titles by scrolling down the page.
Select a Category:Components
- Program Components PDF
- Shapes software PDF
- Logo Paths Software PDF
- Materials Kit by Grade PDF
- Completer Kit by Grade PDF
- Card Package by Grade PDF
- Chart of Hands-On Components PDF
- Materials as Tools for Learning PDF
- Children's Literature K-2 PDF
- Children's Literature 3-5 PDF
- Grade 1: Resource Master-Ten-Frame Cards PDF
- Grade 2: Resource Master-More Challenging Story Problems PDF
- Grade 2: Resource Master-Family Letter: About the Mathematics in this Unit PDF
- Grade 2: Resource Master-Family Letter: Related Activities to Try at Home PDF
- Grade 3: Resource Master-Assessment: Subtraction Strategies PDF
- Grade 3: Resource Master-Family Letter: Related Activities to Try at Home PDF
- Grade 4: Resource Master-Family Letter: Learning Multiplication Combinations PDF
- Grade 5: Resource Master-Family Letter: About Mathematics Homework PDF
- Grade 5: Resource Master-Multiplication Compare PDF
- Grade 5: Student Activity Book-Problems Involving Teams PDF
- Grade 5: Student Activity Book-Multiplication Compare Recording Sheet PDF
- Grade 5: Student Activity Book-Number Puzzles PDF
- Grade 5: Student Activity Book-Multiplication Combinations 1 PDF
- Grade 3: Student Math Handbook-Measurement Tools PDF
- Grade 5: Student Math Handbook-Multiplication Compare PDF
- Grade 2: Answer Key PDF
- Grade 4: Spanish Companion-Unit 1, Session 1.1-Cosas que estan en matrices PDF
- Grade 1: Carpeta de recursos-Carta a la familia: Sobre las matematicas de esta unidad PDF
- Grade 4: Carpeta de recursos-La fabrica de embalajes PDF
- Grade 1: Cuaderno de activitidades-Pasos de nino en casa PDF
- Grade 4: Cuaderno de activitidades-Datos Misteriosos A PDF
- Grade 4: Cuaderno de activitidades-Puntos de interes PDF
- Grade 1: Manual de Matematicas para el estudiante-Lanzar y anotar PDF
- Grade 4: Manual de Matematicas para el estudiante-Trabajar con datos PDF
Spanish Components
Curriculum by Grade Level
Grade Level Overviews
- Kindergarten Overview PDF
- 1st Grade Overview PDF
- 2n Grade Overview PDF
- 3rd Grade Overview PDF
- 4th Grade Overview PDF
- 5th Grade Overview PDF
Math Content by Grade Level
- Kindergarten Math Content PDF
- Grade 1 Math Content PDF
- Grade 2 Math Content PDF
- Grade 3 Math Content PDF
- Grade 4 Math Content PDF
- Grade 5 Math Content PDF
- Math Content K-5 PDF
Unit Summaries
- Kindergarten Unit Summaries PDF
- Grade 1 Unit Summaries PDF
- Grade 2 Unit Summaries PDF
- Grade 3 Unit Summaries PDF
- Grade 4 Unit Summaries PDF
- Grade 5 Unit Summaries PDF
- Unit Summaries K-5 PDF
Scope and Sequence
- Kindergarten Scope and Sequence PDF
- Grade 1 Scope and Sequence PDF
- Grade 2 Scope and Sequence PDF
- Grade 3 Scope and Sequence PDF
- Grade 4 Scope and Sequence PDF
- Grade 5 Scope and Sequence PDF
- Scope and Sequence K-5 PDF
Sample Sessions
- Kindergarten: Session1.3-Counting Jar PDF
- Kindergarten: Resource Master-Grab and Count PDF
- Kindergarten: Student Math Handbook-Counting Jar PDF
- Kindergarten: Session1.6-Does Order Matter When You Count? PDF
- Kindergarten: Student Math Handbook-Counting PDF
- Kindergarten: Algebra Connections in This Unit PDF
- Kindergarten: Dialogue Box-Does Order Matter? PDF
- Grade 1: Session1.1-How Many of Each? PDF
- Grade 1: Resource Master-Start With Get To Cards (Set A) PDF
- Grade 1: Student Activity Book-Nine Toys: How Many of Each? PDF
- Grade 1: Student Activity Book-Using a Calendar PDF
- Grade 1: Resource Master-Family Letter about the Mathematics in This Unit PDF
- Grade 1: Student Math Handbook-Counting Forward and Counting Back PDF
- Grade 1: Student Math Handbook-How Many of Each? PDF
- Grade 1: Teacher Note-About the How Many of Each? Problems in This Unit PDF
- Grade 1: Teacher Note-Finding Relationships Among Solutions PDF
- Grade 1: Dialogue Box-Do We Have All the Combinations? PDF
- Grade 2: Session1.1-Story Problems with Stickers PDF
- Grade 2: Resource Master-Stickers: Strips and Singles PDF
- Grade 2: Student Activity Book-Sticker Problems PDF
- Grade 2: Resource Master-100 Chart PDF
- Grade 2: Student Activity Book-Telling Time Problems PDF
- Grade 2: Resource Master-Family Letter about the Mathematics in This Unit PDF
- Grade 2: Student Math Handbook-Place Value: Single Stickers and Strips of 10 PDF
- Grade 2: Student Math Handbook-Another Addition Story Problem PDF
- Grade 2: Teacher Note-Place Value in Grade 2 PDF
- Grade 2: Teacher Note-Stickers: A Context for Place Value PDF
- Grade 2: Dialogue Box-Adding With Stickers PDF
- Grade 2: Dialogue Box-Is It 2 Or 20? PDF
- Grade 3: Session3.3-How Far From 100? PDF
- Grade 3: Student Activity Book-How Far from 100? Recording Sheet PDF
- Grade 3: Student Activity Book-Related Problem Sets PDF
- Grade 3: Resource Master-Digit Cards PDF
- Grade 3: Resource Master-How Far From 100? PDF
- Grade 3: Student Math Handbook-Tools To Represent Subtraction Problems PDF
- Grade 3: Student Math Handbook-Strategies For Solving Subtraction Problems PDF
- Grade 3: Dialogue Box-How Far From 100? PDF
- Grade 4: Session2.3-Multiple Turn Over PDF
- Grade 4: Resource Master-Multiple Turn Over PDF
- Grade 4: Resource Master-Multiple Cards PDF
- Grade 4: Resource Master-Muliple Turn Over Recording Sheet PDF
- Grade 4: Student Activity Book-Distance Problems PDF
- Grade 4: Student Activity Book-Practicing With Multiplication Cards PDF
- Grade 4: Student Math Handbook-Multiplication Combinations PDF
- Grade 4: Dialogue Box-Identifying Factors and Multiples in Multiple Turn Over PDF
- Grade 5: Session3.3-Solving More Division Problems PDF
- Grade 5: Student Activity Book -Division Problems PDF
- Grade 5: Student Activity Book -Story Problems: School Supplies PDF
- Grade 5: Resource Master-Quick Images PDF
- Grade 5: Student Math Handbook-Division Strategies PDF
- Grade 5: Teacher Note-Division Strategies PDF
- Grade 5: Teacher Note-Developing Computation Strategies That Make Sense PDF
Components Information
- Kindergarten Component Information PDF
- Grade 1 Component Information PDF
- Grade 2 Component Information PDF
- Grade 3 Component Information PDF
- Grade 4 Component Information PDF
- Grade 5 Component Information PDF
- Component Information K-5 PDF
- Kindergarten Pacing Information PDF
- Grade 1 Pacing Information PDF
- Grade 2 Pacing Information PDF
- Grade 3 Pacing Information PDF
- Grade 4 Pacing Information PDF
- Grade 5 Pacing Information PDF
- Pacing Information K-5 PDF
- Comparing 1st and 2nd Edition Kindergarten Units PDF
- Comparing 1st and 2nd Edition Grade 1 Units PDF
- Comparing 1st and 2nd Edition Grade 2 Units PDF
- Comparing 1st and 2nd Edition Grade 3 Units PDF
- Comparing 1st and 2nd Edition Grade 4 Units PDF
- Comparing 1st and 2nd Edition Grade 5 Units PDF
- Comparing 1st and 2nd Edition Units K-5 PDF
- Teaching a New Kindergarten Unit PDF
- Teaching a New Grade 1 Unit PDF
- Teaching a New Grade 2 Unit PDF
- Teaching a New Grade 3 Unit PDF
- Teaching a New Grade 4 Unit PDF
- Teaching a New Grade 5 Unit PDF
- Teaching a New Unit K-5 PDF
- Counting and the Number System PDF
- Addition and Subtraction PDF
- Multiplication and Division PDF
- Rational Numbers PDF
- Geometry PDF
- Measurement PDF
- Data and Probability PDF
- Patterns and Functions PDF
- Place Value PDF
- Early Algebra PDF
- Computational Algorithms and Procedures PDF
- Developing Fluency with the Facts PDF
- Algebra in the Revision PDF
- Practice and Review Essay PDF
- The Role of Math Workshop
- Making Math Workshop Work
- The Role of Games
- Using Games as Tools for Learing
- Materials as a Tool for Learning
- Array Cards
- Calculators
- 7 Ways to Add Math to Everyday Play
- Algebra in the K-5 Classroom: Learning Opportunities for Students and Teachers PDF
- Analyzing Children's Length Strategies with Two-Dimensional Tasks: What Counts For Length?
- Building Blocks of Early Childhood Mathematics PDF
- Building Blocks for Early Childhood Mathematics PDF
- Building Blocks for Young Children's Mathematical Development PDF
- Bringing Math to Families PDF
- A Case for a Logo-Based Elementary School Geometry Curriculum
- Challenges for Teachers Attempting to Integrate a Mathematics Innovation
- Changing the Elementary Mathemathics Curriculum: Obstacles and Challenges
- Children's Concepts of Average and Representativeness PDF
- Children's Spontaneous Representations of Changing Situations
- Computers and Mathematical Assessment
- Computers in Early Childhood Education PDF
- Computers Support Algebraic Thinking
- "Concrete" Manipulatives, Concrete Ideas
- Constructing Geometric Concepts in Logo
- Constructivist Learning and Teaching
- Developing Computational Fluency with Whole Number in the Elementary Grades
- The Earliest Geometry PDF
- The Effective Use of Computers with Young Children
- The Future of Educational Computing Research: The Case of Computer Programming PDF
- The Geometric World of Young Children PDF
- Geometry and Proof
- Graphing Software: The Place of Computers in an Elementary Data Analysis Curriculum
- Help Your Child Think Big!
- Is It 2 More or 2 Less? Algebra in the Elementary Classroom
- The Mathematical Miseducation of America's Youth
- Mathematics of Change: Ins and Outs or Ups and Downs
- Mathematics Curriculum Implementation: Not a Beginning, Not an End
- Mathematics in the Preschool PDF
- Mathematics for Young Children
- Metacognition, Learning, and Educational Computer Environments
- Middles, Means, and In-Betweens: The Paper Clip Game
- (Mis?)Constructing Constructivism
- My Turn: A Talk with the Logo Turtle
- Network of Influences in an Implementation of a Mathematics Curriculum Innovation
- Opportunities to Observe PDF
- Patterns in the Multiplication Table
- Playing with Computers, Playing with Ideas
- Proof in the Elementary Grades PDF
- Preschool and Kindergarten Mathematics: A National Conference PDF
- A Process Approach to Mathematics: Mathematics as Communication
- Research on Logo: A Decade of Progress
- Rethinking Concrete Manipulatives
- The Role of Curriculum in Teacher Development
- The Role of Technology in Early Childhood Learning PDF
- Schools, Families, and Math
- Students' Development of Length Concepts in a Logo-Based Unit on Geometric Paths PDF
- Subitizing: What Is It? Why Teach It? PDF
- Teaching Length Measurement: Research Challenges PDF
- Translating from Research into Mathematics Classrooms: Mathematics and Special Needs Students
- Technology and school change: New lamps for old?
- Technology in Early Childhood Mathematics: Building Blocks as an Innovative Technology-Based Curriculum PDF
- Using Spatial Imagery in Geometric Reasoning
- Viewpoint: We Need Integrated Research and Software Development
- What's in a Question? PDF
- What Kind of Educational Computer Games Would Girls Like?
- Where's the Math in Computer Games?
- Your Child's Geometric World
- Young Children and Technology
- Young Children's Concepts of Shape PDF
- Mathematical Children's Literature
- Websites for Families and Caregivers
- Websites for Children and Families
- Policy and Practice
- Equity Projects
- Websites for Educators and the Public
- Websites for Schools and Districts
- Organizations and Projects Working with Families
- Professional Educational Organizations
- National and Regional Implementation Centers
- Publishers and Resource Organizations