No matter what subtratction strategy you are using, number lines can be a great means of scaffolding and applying a mathematical framework to abstraction.
| Contributor | Josh Ravek |
| File Type | Word |
| Stage | 1 |
| KLA | Mathematics |
| Uploaded | 15th Feb 2012 |
| Times appreciated | 1 |
| Times downloaded | 10 |
| Times viewed | 443 |