Optellen van tientallen tot en met een honderdtal
Erbijsommen
| Oefening 1 | |||||
| 1. | 760 | + | 40 | = |
|
| 2. | 560 | + | 40 | = |
|
| 3. | 110 | + | 90 | = |
|
| 4. | 350 | + | 50 | = |
|
| 5. | 350 | + | 50 | = |
|
| 6. | 460 | + | 40 | = |
|
| 7. | 630 | + | 70 | = |
|
| 8. | 960 | + | 40 | = |
|
| 9. | 140 | + | 60 | = |
|
| 10. | 850 | + | 50 | = |
|
| Oefening 2 | |||||
| 1. | 350 | + | 50 | = |
|
| 2. | 260 | + | 40 | = |
|
| 3. | 370 | + | 30 | = |
|
| 4. | 830 | + | 70 | = |
|
| 5. | 910 | + | 90 | = |
|
| 6. | 680 | + | 20 | = |
|
| 7. | 870 | + | 30 | = |
|
| 8. | 110 | + | 90 | = |
|
| 9. | 530 | + | 70 | = |
|
| 10. | 570 | + | 30 | = |
|
| Oefening 3 | |||||
| 1. | 610 | + | 90 | = |
|
| 2. | 550 | + | 50 | = |
|
| 3. | 630 | + | 70 | = |
|
| 4. | 860 | + | 40 | = |
|
| 5. | 640 | + | 60 | = |
|
| 6. | 720 | + | 80 | = |
|
| 7. | 330 | + | 70 | = |
|
| 8. | 310 | + | 90 | = |
|
| 9. | 780 | + | 20 | = |
|
| 10. | 770 | + | 30 | = |
|
| Oefening 4 | |||||
| 1. | 310 | + | 90 | = |
|
| 2. | 930 | + | 70 | = |
|
| 3. | 730 | + | 70 | = |
|
| 4. | 470 | + | 30 | = |
|
| 5. | 930 | + | 70 | = |
|
| 6. | 770 | + | 30 | = |
|
| 7. | 510 | + | 90 | = |
|
| 8. | 110 | + | 90 | = |
|
| 9. | 620 | + | 80 | = |
|
| 10. | 870 | + | 30 | = |
|