Met tientallen over het honderdtal
Optellen
| Oefening 1 | |||||
| 1. | 780 | + | 90 | = |
|
| 2. | 910 | + | 80 | = |
|
| 3. | 580 | + | 80 | = |
|
| 4. | 740 | + | 80 | = |
|
| 5. | 980 | + | 80 | = |
|
| 6. | 540 | + | 70 | = |
|
| 7. | 440 | + | 90 | = |
|
| 8. | 770 | + | 20 | = |
|
| 9. | 590 | + | 20 | = |
|
| 10. | 410 | + | 90 | = |
|
| Oefening 2 | |||||
| 1. | 950 | + | 40 | = |
|
| 2. | 330 | + | 70 | = |
|
| 3. | 650 | + | 90 | = |
|
| 4. | 510 | + | 80 | = |
|
| 5. | 540 | + | 70 | = |
|
| 6. | 930 | + | 70 | = |
|
| 7. | 720 | + | 70 | = |
|
| 8. | 860 | + | 90 | = |
|
| 9. | 770 | + | 20 | = |
|
| 10. | 240 | + | 60 | = |
|
| Oefening 3 | |||||
| 1. | 760 | + | 70 | = |
|
| 2. | 230 | + | 80 | = |
|
| 3. | 410 | + | 90 | = |
|
| 4. | 230 | + | 70 | = |
|
| 5. | 510 | + | 80 | = |
|
| 6. | 140 | + | 80 | = |
|
| 7. | 550 | + | 40 | = |
|
| 8. | 760 | + | 30 | = |
|
| 9. | 610 | + | 80 | = |
|
| 10. | 340 | + | 60 | = |
|
| Oefening 4 | |||||
| 1. | 810 | + | 80 | = |
|
| 2. | 910 | + | 90 | = |
|
| 3. | 280 | + | 70 | = |
|
| 4. | 770 | + | 90 | = |
|
| 5. | 380 | + | 10 | = |
|
| 6. | 950 | + | 70 | = |
|
| 7. | 580 | + | 30 | = |
|
| 8. | 530 | + | 90 | = |
|
| 9. | 250 | + | 60 | = |
|
| 10. | 120 | + | 90 | = |
|