Met tientallen over het honderdtal
Erbijsommen
| Oefening 1 | |||||
| 1. | 720 | + | 80 | = |
|
| 2. | 530 | + | 60 | = |
|
| 3. | 880 | + | 80 | = |
|
| 4. | 310 | + | 90 | = |
|
| 5. | 450 | + | 60 | = |
|
| 6. | 760 | + | 40 | = |
|
| 7. | 540 | + | 50 | = |
|
| 8. | 720 | + | 70 | = |
|
| 9. | 460 | + | 30 | = |
|
| 10. | 670 | + | 70 | = |
|
| Oefening 2 | |||||
| 1. | 430 | + | 70 | = |
|
| 2. | 480 | + | 80 | = |
|
| 3. | 870 | + | 90 | = |
|
| 4. | 510 | + | 90 | = |
|
| 5. | 620 | + | 70 | = |
|
| 6. | 430 | + | 80 | = |
|
| 7. | 130 | + | 80 | = |
|
| 8. | 650 | + | 70 | = |
|
| 9. | 990 | + | 50 | = |
|
| 10. | 680 | + | 60 | = |
|
| Oefening 3 | |||||
| 1. | 670 | + | 40 | = |
|
| 2. | 370 | + | 60 | = |
|
| 3. | 990 | + | 0 | = |
|
| 4. | 440 | + | 60 | = |
|
| 5. | 940 | + | 70 | = |
|
| 6. | 770 | + | 40 | = |
|
| 7. | 940 | + | 90 | = |
|
| 8. | 690 | + | 0 | = |
|
| 9. | 980 | + | 80 | = |
|
| 10. | 570 | + | 20 | = |
|
| Oefening 4 | |||||
| 1. | 580 | + | 80 | = |
|
| 2. | 420 | + | 80 | = |
|
| 3. | 460 | + | 70 | = |
|
| 4. | 260 | + | 90 | = |
|
| 5. | 220 | + | 90 | = |
|
| 6. | 620 | + | 90 | = |
|
| 7. | 830 | + | 70 | = |
|
| 8. | 860 | + | 30 | = |
|
| 9. | 990 | + | 50 | = |
|
| 10. | 540 | + | 90 | = |
|