Submitted by admin on Tue, 11/23/2010 - 10:52am.
| Attachment | Size |
|---|---|
| Concrete subtraction with regrouping: Coingrab.pdf | 195.21 KB |
| Diagram and subtract from 12 with this game: subtract 12 bones.pdf | 98.93 KB |
| Attachment | Size |
|---|---|
| Concrete subtraction with regrouping: Coingrab.pdf | 195.21 KB |
| Diagram and subtract from 12 with this game: subtract 12 bones.pdf | 98.93 KB |