Humble Math - 100 Days of Multi-Digit Multiplication: Ages 10-13: Multiplying Large Numbers with Answer Key - Reproducible Pages - Multiply Big Long Problems - 2 and 3 digit Workbook
| Country | USA |
| Brand | Penguin |
| Manufacturer | Penguin Publishing Group |
| Binding | Paperback |
| ItemPartNumber | 9780452268340 |
| Color | Black |
| ReleaseDate | 1992-08-01 |
| UnitCount | 1 |
| EANs | 9780452268340 |