K.R. · Kat Richardson · Kathy Richards · Keith Richards · Keith Richardson · Kitty Richards
Addison-Wesley · Dale Seymour Publications · Lummi Bay Publishing · Mathematical Perspectives
| title | ISBN-13 | year of publica- tion |
|---|---|---|
| Assessing Math Concepts: Changing Numbers | 978-0-9724238-4-7 | 2003 |
| Assessing Math Concepts: Counting Objects | 978-0-9724238-0-9 | 2003 |
| Assessing Math Concepts: Grouping Tens | 978-0-9724238-2-3 | 2003 |
| Assessing Math Concepts: Hiding Assessment | 978-0-9724238-1-6 | 2003 |
| Assessing Math Concepts: More/Less Trains | 978-0-9724238-5-4 | 2003 |
| Developing Number Concepts, Book 1: Counting, Comparing, and Pattern | 978-0-7690-0058-9 | 1998 |
| Developing Number Concepts, Book 2: Addition and Subtraction | 978-0-7690-0059-6 | 1998 |
| Developing Number Concepts, Book 3: Place Value, Multiplication, and Division | 978-0-7690-0060-2 | 1998 |
| Developing Number Concepts Planning Guide | 978-0-7690-0061-9 | 1999 |
| Developing Number Concepts Using Unifix Cubes | 978-0-201-06117-8 | 1984 |
| Understanding Geometry | 978-1-928599-00-5 | 1999 |