- Packages and Groups: Multiplication and Division : Grade 4 : Also Appropriate for Grade 5
- Mathematical Thinking at Grade 5: Introduction & Landmarks in the Number System (Investigations in Number, Data, and Space Series)
- Up and Down the Number Line: Changes (Investigations in Number, Data, and Space)
- Arrays and Shares (Multiplication and Division); Grade level 4 (Investigations in Number, Data, and Space)
- Mathematical Thinking at Grade 4: Introduction
- T.J. Walker
- Ed Labinowicz
- David T. Conley
- Virginia Seeley
- Faren R. Siminoff
- Helen Kirk
- Steven Leinwand
- Barbara Muncaster
- Charles A. Kroloff
- Daniel Hamilton
- Texas A & M University
- 7th Edition Case and Fair
- Peter Salgo
- Vanleeuwen
- Albert G. Giordano
- Judy W. Eby
- Rosemarie Stallworth-Clark
- Jean-François Manzoni
- Debra Bayles Martin
- Dennis A. Rohatyn