Met tientallen over het honderdtal
Erbijsommen
| Oefening 1 | |||||
| 1. | 230 | + | 60 | = |
|
| 2. | 470 | + | 80 | = |
|
| 3. | 560 | + | 70 | = |
|
| 4. | 830 | + | 60 | = |
|
| 5. | 280 | + | 10 | = |
|
| 6. | 750 | + | 60 | = |
|
| 7. | 450 | + | 80 | = |
|
| 8. | 620 | + | 70 | = |
|
| 9. | 690 | + | 70 | = |
|
| 10. | 790 | + | 40 | = |
|
| Oefening 2 | |||||
| 1. | 420 | + | 90 | = |
|
| 2. | 590 | + | 30 | = |
|
| 3. | 410 | + | 80 | = |
|
| 4. | 890 | + | 30 | = |
|
| 5. | 340 | + | 80 | = |
|
| 6. | 170 | + | 80 | = |
|
| 7. | 450 | + | 40 | = |
|
| 8. | 210 | + | 80 | = |
|
| 9. | 710 | + | 90 | = |
|
| 10. | 650 | + | 90 | = |
|
| Oefening 3 | |||||
| 1. | 520 | + | 70 | = |
|
| 2. | 570 | + | 80 | = |
|
| 3. | 350 | + | 80 | = |
|
| 4. | 230 | + | 70 | = |
|
| 5. | 370 | + | 50 | = |
|
| 6. | 830 | + | 80 | = |
|
| 7. | 930 | + | 80 | = |
|
| 8. | 560 | + | 80 | = |
|
| 9. | 860 | + | 30 | = |
|
| 10. | 510 | + | 90 | = |
|
| Oefening 4 | |||||
| 1. | 330 | + | 80 | = |
|
| 2. | 470 | + | 40 | = |
|
| 3. | 850 | + | 70 | = |
|
| 4. | 730 | + | 70 | = |
|
| 5. | 450 | + | 80 | = |
|
| 6. | 840 | + | 80 | = |
|
| 7. | 120 | + | 80 | = |
|
| 8. | 330 | + | 70 | = |
|
| 9. | 280 | + | 40 | = |
|
| 10. | 980 | + | 30 | = |
|