Met tientallen over het honderdtal
Erbijsommen
| Oefening 1 | |||||
| 1. | 320 | + | 70 | = |
|
| 2. | 560 | + | 80 | = |
|
| 3. | 460 | + | 70 | = |
|
| 4. | 840 | + | 80 | = |
|
| 5. | 760 | + | 50 | = |
|
| 6. | 350 | + | 70 | = |
|
| 7. | 180 | + | 20 | = |
|
| 8. | 360 | + | 80 | = |
|
| 9. | 490 | + | 0 | = |
|
| 10. | 130 | + | 70 | = |
|
| Oefening 2 | |||||
| 1. | 770 | + | 20 | = |
|
| 2. | 740 | + | 90 | = |
|
| 3. | 390 | + | 80 | = |
|
| 4. | 110 | + | 90 | = |
|
| 5. | 260 | + | 80 | = |
|
| 6. | 880 | + | 10 | = |
|
| 7. | 680 | + | 30 | = |
|
| 8. | 590 | + | 0 | = |
|
| 9. | 410 | + | 80 | = |
|
| 10. | 250 | + | 40 | = |
|
| Oefening 3 | |||||
| 1. | 530 | + | 90 | = |
|
| 2. | 440 | + | 60 | = |
|
| 3. | 960 | + | 40 | = |
|
| 4. | 160 | + | 80 | = |
|
| 5. | 470 | + | 90 | = |
|
| 6. | 750 | + | 80 | = |
|
| 7. | 820 | + | 90 | = |
|
| 8. | 260 | + | 80 | = |
|
| 9. | 510 | + | 90 | = |
|
| 10. | 190 | + | 60 | = |
|
| Oefening 4 | |||||
| 1. | 140 | + | 80 | = |
|
| 2. | 890 | + | 10 | = |
|
| 3. | 440 | + | 60 | = |
|
| 4. | 880 | + | 10 | = |
|
| 5. | 340 | + | 50 | = |
|
| 6. | 540 | + | 60 | = |
|
| 7. | 520 | + | 70 | = |
|
| 8. | 960 | + | 80 | = |
|
| 9. | 130 | + | 90 | = |
|
| 10. | 840 | + | 90 | = |
|