Met tientallen over het honderdtal
Erbijsommen
| Oefening 1 | |||||
| 1. | 850 | + | 90 | = |
|
| 2. | 610 | + | 80 | = |
|
| 3. | 740 | + | 90 | = |
|
| 4. | 870 | + | 40 | = |
|
| 5. | 470 | + | 70 | = |
|
| 6. | 850 | + | 50 | = |
|
| 7. | 810 | + | 90 | = |
|
| 8. | 460 | + | 50 | = |
|
| 9. | 120 | + | 80 | = |
|
| 10. | 580 | + | 10 | = |
|
| Oefening 2 | |||||
| 1. | 630 | + | 80 | = |
|
| 2. | 220 | + | 80 | = |
|
| 3. | 390 | + | 0 | = |
|
| 4. | 150 | + | 80 | = |
|
| 5. | 770 | + | 70 | = |
|
| 6. | 980 | + | 40 | = |
|
| 7. | 580 | + | 40 | = |
|
| 8. | 530 | + | 60 | = |
|
| 9. | 820 | + | 80 | = |
|
| 10. | 110 | + | 90 | = |
|
| Oefening 3 | |||||
| 1. | 580 | + | 80 | = |
|
| 2. | 760 | + | 80 | = |
|
| 3. | 760 | + | 80 | = |
|
| 4. | 490 | + | 30 | = |
|
| 5. | 660 | + | 50 | = |
|
| 6. | 910 | + | 90 | = |
|
| 7. | 740 | + | 70 | = |
|
| 8. | 940 | + | 80 | = |
|
| 9. | 110 | + | 90 | = |
|
| 10. | 830 | + | 70 | = |
|
| Oefening 4 | |||||
| 1. | 230 | + | 90 | = |
|
| 2. | 760 | + | 80 | = |
|
| 3. | 260 | + | 30 | = |
|
| 4. | 360 | + | 40 | = |
|
| 5. | 290 | + | 20 | = |
|
| 6. | 660 | + | 80 | = |
|
| 7. | 640 | + | 60 | = |
|
| 8. | 870 | + | 70 | = |
|
| 9. | 430 | + | 90 | = |
|
| 10. | 130 | + | 90 | = |
|