Advanced Subtraction
| Use attributes for filter ! | |
| Google books | books.google.com |
|---|---|
| Originally published | June 1987 |
| Authors | Stan Collins |
| Illustrators | Kathy Kifer |
| Date of Reg. | |
| Date of Upd. | |
| ID | 3116911 |
About Advanced Subtraction
This series is a higher level system than the basic one and is designed to first diagnose skill levels, to provide practice, periodic review and testing.
