Met tientallen over het honderdtal
Erbijsommen
| Oefening 1 | |||||
| 1. | 230 | + | 90 | = |
|
| 2. | 440 | + | 50 | = |
|
| 3. | 670 | + | 40 | = |
|
| 4. | 280 | + | 40 | = |
|
| 5. | 210 | + | 80 | = |
|
| 6. | 770 | + | 70 | = |
|
| 7. | 210 | + | 90 | = |
|
| 8. | 260 | + | 30 | = |
|
| 9. | 470 | + | 90 | = |
|
| 10. | 520 | + | 70 | = |
|
| Oefening 2 | |||||
| 1. | 340 | + | 90 | = |
|
| 2. | 150 | + | 70 | = |
|
| 3. | 620 | + | 80 | = |
|
| 4. | 930 | + | 70 | = |
|
| 5. | 570 | + | 80 | = |
|
| 6. | 330 | + | 70 | = |
|
| 7. | 360 | + | 90 | = |
|
| 8. | 450 | + | 50 | = |
|
| 9. | 270 | + | 60 | = |
|
| 10. | 840 | + | 60 | = |
|
| Oefening 3 | |||||
| 1. | 880 | + | 10 | = |
|
| 2. | 920 | + | 90 | = |
|
| 3. | 620 | + | 80 | = |
|
| 4. | 130 | + | 80 | = |
|
| 5. | 820 | + | 90 | = |
|
| 6. | 570 | + | 40 | = |
|
| 7. | 110 | + | 90 | = |
|
| 8. | 930 | + | 80 | = |
|
| 9. | 530 | + | 90 | = |
|
| 10. | 120 | + | 80 | = |
|
| Oefening 4 | |||||
| 1. | 220 | + | 90 | = |
|
| 2. | 750 | + | 90 | = |
|
| 3. | 740 | + | 70 | = |
|
| 4. | 230 | + | 90 | = |
|
| 5. | 360 | + | 30 | = |
|
| 6. | 720 | + | 80 | = |
|
| 7. | 250 | + | 90 | = |
|
| 8. | 320 | + | 90 | = |
|
| 9. | 680 | + | 70 | = |
|
| 10. | 940 | + | 90 | = |
|