Add three or more numbers with different numbers of digits, with and without the use of digital technologies, eg 42 000 + 5123 + 246
| 1. | Add these 3 numbers: 9+10+4 | |
| 2. | Add three numbers: 2 + 13 + 9 | |
| 3. | Add three numbers: 15 + 7 + 8 | |
| 4. | Add three numbers: 17 + 7 + 12 | |
| 5. | Add these 3 numbers: 80 + 70 + 40 | |
| 6. | Add these 3 numbers: 90 + 60 + 30 | |
| 7. | Add these 3 numbers: 40 + 70 + 20 | |
| 8. | Add these 3 numbers: 30 + 20 + 90 | |
| 9. | Add these 3 numbers: 70 + 90 + 10 | |
| 10. | Weigh Ho, Me Hearties! - adding masses in g | |
| 11. | Weigh Ho, Me Hearties! Adding masses in kg |