Use concrete materials and a number line to model and determine the difference between two numbers
| 1. | Spot the difference between 3 and 5 | |
| 2. | Spot the difference between 4 and 4 | |
| 3. | Spot the difference between 4 and 6 | |
| 4. | Spot the difference between 4 and 7 | |
| 5. | Spot the difference between 2 and 8 | |
| 6. | Spot the difference between 4 and 5 | |
| 7. | Spot the difference between 3 and 5 | |
| 8. | Spot the difference between 2 and 6 | |
| 9. | Spot the difference between 5 and 7 | |
| 10. | Spot the difference between 2 and 7 | |
| 11. | Red Blocks 10 - 4 | |
| 12. | Red Blocks 10 - 1 | |
| 13. | Red Blocks 10 - 2 | |
| 14. | The Chicken Story: seventy-four - sixty-seven | |
| 15. | The Chicken Story: forty-four - thirty-four | |
| 16. | The Chicken Story: twenty-eight - twenty | |
| 17. | The Chicken Story: fifty - forty-six | |
| 18. | The Chicken Story: thirty - twenty-five | |
| 19. | The Chicken Story: thirty-seven - thirty-four | |
| 20. | The Chicken Story: twenty-four - twenty |