Met tientallen over het honderdtal
Erbijsommen
| Oefening 1 | |||||
| 1. | 640 | + | 90 | = |
|
| 2. | 850 | + | 50 | = |
|
| 3. | 240 | + | 90 | = |
|
| 4. | 130 | + | 70 | = |
|
| 5. | 780 | + | 30 | = |
|
| 6. | 280 | + | 30 | = |
|
| 7. | 310 | + | 90 | = |
|
| 8. | 480 | + | 70 | = |
|
| 9. | 430 | + | 80 | = |
|
| 10. | 210 | + | 90 | = |
|
| Oefening 2 | |||||
| 1. | 220 | + | 90 | = |
|
| 2. | 950 | + | 90 | = |
|
| 3. | 840 | + | 90 | = |
|
| 4. | 960 | + | 60 | = |
|
| 5. | 180 | + | 60 | = |
|
| 6. | 840 | + | 80 | = |
|
| 7. | 110 | + | 90 | = |
|
| 8. | 470 | + | 40 | = |
|
| 9. | 970 | + | 80 | = |
|
| 10. | 190 | + | 0 | = |
|
| Oefening 3 | |||||
| 1. | 460 | + | 40 | = |
|
| 2. | 130 | + | 70 | = |
|
| 3. | 110 | + | 80 | = |
|
| 4. | 310 | + | 80 | = |
|
| 5. | 650 | + | 40 | = |
|
| 6. | 380 | + | 30 | = |
|
| 7. | 690 | + | 20 | = |
|
| 8. | 190 | + | 20 | = |
|
| 9. | 450 | + | 60 | = |
|
| 10. | 190 | + | 90 | = |
|
| Oefening 4 | |||||
| 1. | 670 | + | 90 | = |
|
| 2. | 690 | + | 40 | = |
|
| 3. | 590 | + | 90 | = |
|
| 4. | 730 | + | 80 | = |
|
| 5. | 380 | + | 70 | = |
|
| 6. | 730 | + | 60 | = |
|
| 7. | 170 | + | 30 | = |
|
| 8. | 760 | + | 60 | = |
|
| 9. | 860 | + | 40 | = |
|
| 10. | 870 | + | 50 | = |
|