Met tientallen over het honderdtal
Erbijsommen
| Oefening 1 | |||||
| 1. | 230 | + | 60 | = |
|
| 2. | 220 | + | 70 | = |
|
| 3. | 920 | + | 70 | = |
|
| 4. | 460 | + | 80 | = |
|
| 5. | 780 | + | 90 | = |
|
| 6. | 920 | + | 90 | = |
|
| 7. | 940 | + | 50 | = |
|
| 8. | 480 | + | 20 | = |
|
| 9. | 730 | + | 90 | = |
|
| 10. | 270 | + | 50 | = |
|
| Oefening 2 | |||||
| 1. | 770 | + | 30 | = |
|
| 2. | 730 | + | 70 | = |
|
| 3. | 360 | + | 60 | = |
|
| 4. | 310 | + | 80 | = |
|
| 5. | 880 | + | 50 | = |
|
| 6. | 520 | + | 80 | = |
|
| 7. | 390 | + | 50 | = |
|
| 8. | 660 | + | 80 | = |
|
| 9. | 780 | + | 30 | = |
|
| 10. | 130 | + | 70 | = |
|
| Oefening 3 | |||||
| 1. | 180 | + | 10 | = |
|
| 2. | 410 | + | 80 | = |
|
| 3. | 410 | + | 80 | = |
|
| 4. | 530 | + | 80 | = |
|
| 5. | 480 | + | 80 | = |
|
| 6. | 470 | + | 90 | = |
|
| 7. | 970 | + | 50 | = |
|
| 8. | 310 | + | 80 | = |
|
| 9. | 130 | + | 70 | = |
|
| 10. | 850 | + | 70 | = |
|
| Oefening 4 | |||||
| 1. | 610 | + | 90 | = |
|
| 2. | 280 | + | 60 | = |
|
| 3. | 580 | + | 10 | = |
|
| 4. | 440 | + | 70 | = |
|
| 5. | 160 | + | 80 | = |
|
| 6. | 670 | + | 20 | = |
|
| 7. | 380 | + | 80 | = |
|
| 8. | 340 | + | 90 | = |
|
| 9. | 490 | + | 20 | = |
|
| 10. | 190 | + | 50 | = |
|