Met tientallen over het honderdtal
Erbijsommen
| Oefening 1 | |||||
| 1. | 130 | + | 80 | = |
|
| 2. | 870 | + | 30 | = |
|
| 3. | 580 | + | 10 | = |
|
| 4. | 280 | + | 10 | = |
|
| 5. | 290 | + | 80 | = |
|
| 6. | 580 | + | 30 | = |
|
| 7. | 240 | + | 50 | = |
|
| 8. | 530 | + | 70 | = |
|
| 9. | 970 | + | 70 | = |
|
| 10. | 470 | + | 30 | = |
|
| Oefening 2 | |||||
| 1. | 750 | + | 60 | = |
|
| 2. | 760 | + | 50 | = |
|
| 3. | 560 | + | 70 | = |
|
| 4. | 650 | + | 90 | = |
|
| 5. | 930 | + | 90 | = |
|
| 6. | 370 | + | 60 | = |
|
| 7. | 830 | + | 80 | = |
|
| 8. | 810 | + | 90 | = |
|
| 9. | 670 | + | 90 | = |
|
| 10. | 810 | + | 90 | = |
|
| Oefening 3 | |||||
| 1. | 350 | + | 70 | = |
|
| 2. | 950 | + | 80 | = |
|
| 3. | 530 | + | 80 | = |
|
| 4. | 440 | + | 50 | = |
|
| 5. | 820 | + | 80 | = |
|
| 6. | 130 | + | 60 | = |
|
| 7. | 480 | + | 80 | = |
|
| 8. | 940 | + | 70 | = |
|
| 9. | 140 | + | 50 | = |
|
| 10. | 210 | + | 80 | = |
|
| Oefening 4 | |||||
| 1. | 420 | + | 90 | = |
|
| 2. | 490 | + | 90 | = |
|
| 3. | 940 | + | 50 | = |
|
| 4. | 270 | + | 40 | = |
|
| 5. | 470 | + | 50 | = |
|
| 6. | 920 | + | 80 | = |
|
| 7. | 340 | + | 60 | = |
|
| 8. | 870 | + | 90 | = |
|
| 9. | 180 | + | 60 | = |
|
| 10. | 620 | + | 80 | = |
|