Met tientallen over het honderdtal
Erbijsommen
| Oefening 1 | |||||
| 1. | 650 | + | 40 | = |
|
| 2. | 740 | + | 80 | = |
|
| 3. | 230 | + | 90 | = |
|
| 4. | 110 | + | 80 | = |
|
| 5. | 410 | + | 90 | = |
|
| 6. | 420 | + | 80 | = |
|
| 7. | 360 | + | 60 | = |
|
| 8. | 430 | + | 80 | = |
|
| 9. | 820 | + | 90 | = |
|
| 10. | 270 | + | 30 | = |
|
| Oefening 2 | |||||
| 1. | 810 | + | 90 | = |
|
| 2. | 780 | + | 50 | = |
|
| 3. | 850 | + | 70 | = |
|
| 4. | 480 | + | 20 | = |
|
| 5. | 960 | + | 70 | = |
|
| 6. | 940 | + | 80 | = |
|
| 7. | 420 | + | 70 | = |
|
| 8. | 770 | + | 30 | = |
|
| 9. | 320 | + | 80 | = |
|
| 10. | 950 | + | 80 | = |
|
| Oefening 3 | |||||
| 1. | 250 | + | 40 | = |
|
| 2. | 710 | + | 90 | = |
|
| 3. | 910 | + | 90 | = |
|
| 4. | 880 | + | 60 | = |
|
| 5. | 920 | + | 90 | = |
|
| 6. | 650 | + | 90 | = |
|
| 7. | 350 | + | 90 | = |
|
| 8. | 510 | + | 80 | = |
|
| 9. | 530 | + | 80 | = |
|
| 10. | 120 | + | 70 | = |
|
| Oefening 4 | |||||
| 1. | 870 | + | 50 | = |
|
| 2. | 480 | + | 70 | = |
|
| 3. | 370 | + | 40 | = |
|
| 4. | 510 | + | 90 | = |
|
| 5. | 330 | + | 90 | = |
|
| 6. | 750 | + | 40 | = |
|
| 7. | 940 | + | 60 | = |
|
| 8. | 670 | + | 30 | = |
|
| 9. | 850 | + | 40 | = |
|
| 10. | 840 | + | 80 | = |
|