Met tientallen over het honderdtal
Erbijsommen
| Oefening 1 | |||||
| 1. | 820 | + | 80 | = |
|
| 2. | 890 | + | 0 | = |
|
| 3. | 860 | + | 30 | = |
|
| 4. | 750 | + | 70 | = |
|
| 5. | 460 | + | 30 | = |
|
| 6. | 810 | + | 90 | = |
|
| 7. | 310 | + | 90 | = |
|
| 8. | 930 | + | 90 | = |
|
| 9. | 750 | + | 60 | = |
|
| 10. | 230 | + | 60 | = |
|
| Oefening 2 | |||||
| 1. | 380 | + | 90 | = |
|
| 2. | 580 | + | 20 | = |
|
| 3. | 580 | + | 60 | = |
|
| 4. | 220 | + | 90 | = |
|
| 5. | 720 | + | 90 | = |
|
| 6. | 820 | + | 90 | = |
|
| 7. | 770 | + | 40 | = |
|
| 8. | 310 | + | 90 | = |
|
| 9. | 310 | + | 80 | = |
|
| 10. | 450 | + | 90 | = |
|
| Oefening 3 | |||||
| 1. | 710 | + | 80 | = |
|
| 2. | 720 | + | 80 | = |
|
| 3. | 540 | + | 60 | = |
|
| 4. | 530 | + | 70 | = |
|
| 5. | 490 | + | 60 | = |
|
| 6. | 750 | + | 80 | = |
|
| 7. | 390 | + | 40 | = |
|
| 8. | 540 | + | 90 | = |
|
| 9. | 310 | + | 90 | = |
|
| 10. | 280 | + | 10 | = |
|
| Oefening 4 | |||||
| 1. | 240 | + | 70 | = |
|
| 2. | 250 | + | 60 | = |
|
| 3. | 480 | + | 10 | = |
|
| 4. | 540 | + | 80 | = |
|
| 5. | 590 | + | 80 | = |
|
| 6. | 830 | + | 90 | = |
|
| 7. | 990 | + | 80 | = |
|
| 8. | 770 | + | 20 | = |
|
| 9. | 420 | + | 70 | = |
|
| 10. | 890 | + | 60 | = |
|