Met tientallen over het honderdtal
Erbijsommen
| Oefening 1 | |||||
| 1. | 110 | + | 80 | = |
|
| 2. | 630 | + | 80 | = |
|
| 3. | 670 | + | 30 | = |
|
| 4. | 220 | + | 80 | = |
|
| 5. | 530 | + | 60 | = |
|
| 6. | 390 | + | 90 | = |
|
| 7. | 320 | + | 70 | = |
|
| 8. | 830 | + | 80 | = |
|
| 9. | 530 | + | 90 | = |
|
| 10. | 410 | + | 90 | = |
|
| Oefening 2 | |||||
| 1. | 640 | + | 90 | = |
|
| 2. | 430 | + | 70 | = |
|
| 3. | 540 | + | 90 | = |
|
| 4. | 110 | + | 80 | = |
|
| 5. | 560 | + | 40 | = |
|
| 6. | 720 | + | 80 | = |
|
| 7. | 160 | + | 30 | = |
|
| 8. | 590 | + | 50 | = |
|
| 9. | 610 | + | 80 | = |
|
| 10. | 170 | + | 50 | = |
|
| Oefening 3 | |||||
| 1. | 640 | + | 80 | = |
|
| 2. | 720 | + | 80 | = |
|
| 3. | 390 | + | 60 | = |
|
| 4. | 670 | + | 30 | = |
|
| 5. | 580 | + | 30 | = |
|
| 6. | 770 | + | 90 | = |
|
| 7. | 750 | + | 40 | = |
|
| 8. | 410 | + | 90 | = |
|
| 9. | 870 | + | 90 | = |
|
| 10. | 650 | + | 70 | = |
|
| Oefening 4 | |||||
| 1. | 730 | + | 60 | = |
|
| 2. | 880 | + | 90 | = |
|
| 3. | 380 | + | 90 | = |
|
| 4. | 570 | + | 20 | = |
|
| 5. | 280 | + | 40 | = |
|
| 6. | 220 | + | 90 | = |
|
| 7. | 560 | + | 60 | = |
|
| 8. | 290 | + | 60 | = |
|
| 9. | 530 | + | 80 | = |
|
| 10. | 420 | + | 90 | = |
|