Met tientallen over het honderdtal
Erbijsommen
| Oefening 1 | |||||
| 1. | 730 | + | 80 | = |
|
| 2. | 770 | + | 40 | = |
|
| 3. | 780 | + | 80 | = |
|
| 4. | 760 | + | 30 | = |
|
| 5. | 460 | + | 60 | = |
|
| 6. | 580 | + | 40 | = |
|
| 7. | 720 | + | 70 | = |
|
| 8. | 810 | + | 80 | = |
|
| 9. | 950 | + | 60 | = |
|
| 10. | 380 | + | 80 | = |
|
| Oefening 2 | |||||
| 1. | 430 | + | 60 | = |
|
| 2. | 440 | + | 60 | = |
|
| 3. | 310 | + | 90 | = |
|
| 4. | 950 | + | 40 | = |
|
| 5. | 880 | + | 70 | = |
|
| 6. | 920 | + | 70 | = |
|
| 7. | 230 | + | 70 | = |
|
| 8. | 960 | + | 50 | = |
|
| 9. | 270 | + | 60 | = |
|
| 10. | 660 | + | 80 | = |
|
| Oefening 3 | |||||
| 1. | 520 | + | 90 | = |
|
| 2. | 840 | + | 80 | = |
|
| 3. | 590 | + | 80 | = |
|
| 4. | 960 | + | 60 | = |
|
| 5. | 510 | + | 90 | = |
|
| 6. | 340 | + | 60 | = |
|
| 7. | 880 | + | 80 | = |
|
| 8. | 740 | + | 80 | = |
|
| 9. | 850 | + | 80 | = |
|
| 10. | 430 | + | 90 | = |
|
| Oefening 4 | |||||
| 1. | 260 | + | 30 | = |
|
| 2. | 640 | + | 50 | = |
|
| 3. | 470 | + | 60 | = |
|
| 4. | 610 | + | 80 | = |
|
| 5. | 180 | + | 40 | = |
|
| 6. | 710 | + | 80 | = |
|
| 7. | 510 | + | 80 | = |
|
| 8. | 840 | + | 70 | = |
|
| 9. | 550 | + | 90 | = |
|
| 10. | 830 | + | 70 | = |
|