Met tientallen over het honderdtal
Erbijsommen
| Oefening 1 | |||||
| 1. | 550 | + | 50 | = |
|
| 2. | 530 | + | 80 | = |
|
| 3. | 520 | + | 70 | = |
|
| 4. | 560 | + | 80 | = |
|
| 5. | 110 | + | 80 | = |
|
| 6. | 170 | + | 80 | = |
|
| 7. | 410 | + | 90 | = |
|
| 8. | 760 | + | 70 | = |
|
| 9. | 340 | + | 90 | = |
|
| 10. | 740 | + | 90 | = |
|
| Oefening 2 | |||||
| 1. | 750 | + | 80 | = |
|
| 2. | 830 | + | 90 | = |
|
| 3. | 240 | + | 60 | = |
|
| 4. | 970 | + | 70 | = |
|
| 5. | 660 | + | 50 | = |
|
| 6. | 120 | + | 90 | = |
|
| 7. | 510 | + | 80 | = |
|
| 8. | 610 | + | 80 | = |
|
| 9. | 450 | + | 80 | = |
|
| 10. | 670 | + | 30 | = |
|
| Oefening 3 | |||||
| 1. | 480 | + | 90 | = |
|
| 2. | 750 | + | 90 | = |
|
| 3. | 280 | + | 30 | = |
|
| 4. | 760 | + | 50 | = |
|
| 5. | 430 | + | 90 | = |
|
| 6. | 360 | + | 40 | = |
|
| 7. | 350 | + | 80 | = |
|
| 8. | 490 | + | 50 | = |
|
| 9. | 550 | + | 40 | = |
|
| 10. | 490 | + | 20 | = |
|
| Oefening 4 | |||||
| 1. | 610 | + | 80 | = |
|
| 2. | 950 | + | 50 | = |
|
| 3. | 240 | + | 60 | = |
|
| 4. | 580 | + | 20 | = |
|
| 5. | 130 | + | 70 | = |
|
| 6. | 590 | + | 10 | = |
|
| 7. | 220 | + | 90 | = |
|
| 8. | 890 | + | 10 | = |
|
| 9. | 880 | + | 50 | = |
|
| 10. | 970 | + | 60 | = |
|