Met tientallen over het honderdtal
Erbijsommen
| Oefening 1 | |||||
| 1. | 150 | + | 90 | = |
|
| 2. | 270 | + | 60 | = |
|
| 3. | 670 | + | 60 | = |
|
| 4. | 590 | + | 60 | = |
|
| 5. | 780 | + | 30 | = |
|
| 6. | 670 | + | 90 | = |
|
| 7. | 620 | + | 80 | = |
|
| 8. | 940 | + | 90 | = |
|
| 9. | 490 | + | 70 | = |
|
| 10. | 980 | + | 20 | = |
|
| Oefening 2 | |||||
| 1. | 440 | + | 80 | = |
|
| 2. | 580 | + | 30 | = |
|
| 3. | 340 | + | 60 | = |
|
| 4. | 620 | + | 70 | = |
|
| 5. | 280 | + | 90 | = |
|
| 6. | 410 | + | 90 | = |
|
| 7. | 910 | + | 80 | = |
|
| 8. | 580 | + | 10 | = |
|
| 9. | 550 | + | 90 | = |
|
| 10. | 630 | + | 70 | = |
|
| Oefening 3 | |||||
| 1. | 990 | + | 70 | = |
|
| 2. | 620 | + | 70 | = |
|
| 3. | 720 | + | 70 | = |
|
| 4. | 210 | + | 80 | = |
|
| 5. | 210 | + | 80 | = |
|
| 6. | 840 | + | 70 | = |
|
| 7. | 930 | + | 90 | = |
|
| 8. | 140 | + | 70 | = |
|
| 9. | 330 | + | 70 | = |
|
| 10. | 280 | + | 80 | = |
|
| Oefening 4 | |||||
| 1. | 350 | + | 60 | = |
|
| 2. | 560 | + | 70 | = |
|
| 3. | 940 | + | 90 | = |
|
| 4. | 330 | + | 70 | = |
|
| 5. | 250 | + | 40 | = |
|
| 6. | 820 | + | 90 | = |
|
| 7. | 450 | + | 90 | = |
|
| 8. | 730 | + | 80 | = |
|
| 9. | 560 | + | 50 | = |
|
| 10. | 230 | + | 70 | = |
|