Met tientallen over het honderdtal
Erbijsommen
| Oefening 1 | |||||
| 1. | 420 | + | 90 | = |
|
| 2. | 580 | + | 80 | = |
|
| 3. | 840 | + | 90 | = |
|
| 4. | 870 | + | 90 | = |
|
| 5. | 450 | + | 80 | = |
|
| 6. | 970 | + | 40 | = |
|
| 7. | 730 | + | 80 | = |
|
| 8. | 330 | + | 80 | = |
|
| 9. | 760 | + | 90 | = |
|
| 10. | 750 | + | 50 | = |
|
| Oefening 2 | |||||
| 1. | 340 | + | 90 | = |
|
| 2. | 240 | + | 70 | = |
|
| 3. | 190 | + | 60 | = |
|
| 4. | 420 | + | 70 | = |
|
| 5. | 150 | + | 70 | = |
|
| 6. | 530 | + | 60 | = |
|
| 7. | 830 | + | 70 | = |
|
| 8. | 410 | + | 90 | = |
|
| 9. | 430 | + | 90 | = |
|
| 10. | 730 | + | 70 | = |
|
| Oefening 3 | |||||
| 1. | 210 | + | 80 | = |
|
| 2. | 220 | + | 70 | = |
|
| 3. | 750 | + | 50 | = |
|
| 4. | 120 | + | 70 | = |
|
| 5. | 250 | + | 40 | = |
|
| 6. | 920 | + | 90 | = |
|
| 7. | 680 | + | 60 | = |
|
| 8. | 970 | + | 30 | = |
|
| 9. | 320 | + | 90 | = |
|
| 10. | 410 | + | 90 | = |
|
| Oefening 4 | |||||
| 1. | 820 | + | 90 | = |
|
| 2. | 780 | + | 50 | = |
|
| 3. | 950 | + | 40 | = |
|
| 4. | 630 | + | 80 | = |
|
| 5. | 270 | + | 90 | = |
|
| 6. | 690 | + | 50 | = |
|
| 7. | 510 | + | 90 | = |
|
| 8. | 960 | + | 50 | = |
|
| 9. | 410 | + | 90 | = |
|
| 10. | 670 | + | 40 | = |
|