Met tientallen over het honderdtal
Erbijsommen
| Oefening 1 | |||||
| 1. | 920 | + | 80 | = |
|
| 2. | 520 | + | 80 | = |
|
| 3. | 740 | + | 50 | = |
|
| 4. | 370 | + | 40 | = |
|
| 5. | 390 | + | 90 | = |
|
| 6. | 730 | + | 70 | = |
|
| 7. | 130 | + | 80 | = |
|
| 8. | 590 | + | 70 | = |
|
| 9. | 750 | + | 60 | = |
|
| 10. | 770 | + | 70 | = |
|
| Oefening 2 | |||||
| 1. | 560 | + | 50 | = |
|
| 2. | 680 | + | 40 | = |
|
| 3. | 610 | + | 80 | = |
|
| 4. | 960 | + | 80 | = |
|
| 5. | 630 | + | 80 | = |
|
| 6. | 220 | + | 70 | = |
|
| 7. | 660 | + | 60 | = |
|
| 8. | 820 | + | 90 | = |
|
| 9. | 170 | + | 50 | = |
|
| 10. | 880 | + | 10 | = |
|
| Oefening 3 | |||||
| 1. | 510 | + | 80 | = |
|
| 2. | 620 | + | 70 | = |
|
| 3. | 920 | + | 70 | = |
|
| 4. | 940 | + | 70 | = |
|
| 5. | 290 | + | 0 | = |
|
| 6. | 530 | + | 80 | = |
|
| 7. | 940 | + | 70 | = |
|
| 8. | 750 | + | 80 | = |
|
| 9. | 190 | + | 10 | = |
|
| 10. | 670 | + | 20 | = |
|
| Oefening 4 | |||||
| 1. | 720 | + | 70 | = |
|
| 2. | 190 | + | 0 | = |
|
| 3. | 390 | + | 90 | = |
|
| 4. | 890 | + | 0 | = |
|
| 5. | 780 | + | 40 | = |
|
| 6. | 860 | + | 30 | = |
|
| 7. | 380 | + | 70 | = |
|
| 8. | 520 | + | 90 | = |
|
| 9. | 490 | + | 80 | = |
|
| 10. | 140 | + | 80 | = |
|