Met tientallen over het honderdtal
Erbijsommen
| Oefening 1 | |||||
| 1. | 210 | + | 80 | = |
|
| 2. | 670 | + | 60 | = |
|
| 3. | 920 | + | 70 | = |
|
| 4. | 470 | + | 90 | = |
|
| 5. | 760 | + | 40 | = |
|
| 6. | 690 | + | 20 | = |
|
| 7. | 560 | + | 90 | = |
|
| 8. | 610 | + | 90 | = |
|
| 9. | 830 | + | 70 | = |
|
| 10. | 590 | + | 70 | = |
|
| Oefening 2 | |||||
| 1. | 760 | + | 70 | = |
|
| 2. | 740 | + | 70 | = |
|
| 3. | 120 | + | 90 | = |
|
| 4. | 190 | + | 0 | = |
|
| 5. | 470 | + | 20 | = |
|
| 6. | 980 | + | 20 | = |
|
| 7. | 250 | + | 80 | = |
|
| 8. | 510 | + | 90 | = |
|
| 9. | 740 | + | 80 | = |
|
| 10. | 320 | + | 80 | = |
|
| Oefening 3 | |||||
| 1. | 210 | + | 90 | = |
|
| 2. | 120 | + | 80 | = |
|
| 3. | 350 | + | 90 | = |
|
| 4. | 750 | + | 70 | = |
|
| 5. | 760 | + | 70 | = |
|
| 6. | 190 | + | 60 | = |
|
| 7. | 170 | + | 70 | = |
|
| 8. | 180 | + | 70 | = |
|
| 9. | 760 | + | 30 | = |
|
| 10. | 970 | + | 50 | = |
|
| Oefening 4 | |||||
| 1. | 750 | + | 50 | = |
|
| 2. | 250 | + | 50 | = |
|
| 3. | 610 | + | 80 | = |
|
| 4. | 160 | + | 30 | = |
|
| 5. | 120 | + | 80 | = |
|
| 6. | 450 | + | 80 | = |
|
| 7. | 320 | + | 90 | = |
|
| 8. | 160 | + | 30 | = |
|
| 9. | 980 | + | 10 | = |
|
| 10. | 260 | + | 40 | = |
|