Met tientallen over het honderdtal
Erbijsommen
| Oefening 1 | |||||
| 1. | 220 | + | 90 | = |
|
| 2. | 620 | + | 70 | = |
|
| 3. | 670 | + | 60 | = |
|
| 4. | 940 | + | 70 | = |
|
| 5. | 120 | + | 70 | = |
|
| 6. | 940 | + | 60 | = |
|
| 7. | 570 | + | 70 | = |
|
| 8. | 430 | + | 70 | = |
|
| 9. | 740 | + | 70 | = |
|
| 10. | 220 | + | 90 | = |
|
| Oefening 2 | |||||
| 1. | 390 | + | 30 | = |
|
| 2. | 440 | + | 60 | = |
|
| 3. | 770 | + | 40 | = |
|
| 4. | 280 | + | 30 | = |
|
| 5. | 730 | + | 80 | = |
|
| 6. | 160 | + | 70 | = |
|
| 7. | 760 | + | 70 | = |
|
| 8. | 440 | + | 60 | = |
|
| 9. | 620 | + | 70 | = |
|
| 10. | 430 | + | 80 | = |
|
| Oefening 3 | |||||
| 1. | 710 | + | 90 | = |
|
| 2. | 110 | + | 80 | = |
|
| 3. | 330 | + | 80 | = |
|
| 4. | 860 | + | 60 | = |
|
| 5. | 550 | + | 80 | = |
|
| 6. | 420 | + | 80 | = |
|
| 7. | 390 | + | 60 | = |
|
| 8. | 540 | + | 80 | = |
|
| 9. | 140 | + | 80 | = |
|
| 10. | 940 | + | 90 | = |
|
| Oefening 4 | |||||
| 1. | 510 | + | 80 | = |
|
| 2. | 560 | + | 60 | = |
|
| 3. | 440 | + | 60 | = |
|
| 4. | 960 | + | 60 | = |
|
| 5. | 220 | + | 90 | = |
|
| 6. | 990 | + | 60 | = |
|
| 7. | 380 | + | 70 | = |
|
| 8. | 410 | + | 80 | = |
|
| 9. | 520 | + | 70 | = |
|
| 10. | 290 | + | 70 | = |
|