| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Daily Mental Math, 2nd Edition | 978-1-58324-280-3 (1-58324-280-5) | 2008 |
| Daily Mental Math, 2nd Edition | 978-1-58324-281-0 (1-58324-281-3) | 2008 |
| Daily Mental Math, 2nd Edition | 978-1-58324-282-7 (1-58324-282-1) | 2008 |