Met tientallen over het honderdtal
Erbijsommen
| Oefening 1 | |||||
| 1. | 630 | + | 70 | = |
|
| 2. | 750 | + | 50 | = |
|
| 3. | 990 | + | 40 | = |
|
| 4. | 250 | + | 40 | = |
|
| 5. | 260 | + | 90 | = |
|
| 6. | 530 | + | 80 | = |
|
| 7. | 490 | + | 30 | = |
|
| 8. | 360 | + | 80 | = |
|
| 9. | 870 | + | 70 | = |
|
| 10. | 290 | + | 60 | = |
|
| Oefening 2 | |||||
| 1. | 190 | + | 40 | = |
|
| 2. | 190 | + | 70 | = |
|
| 3. | 670 | + | 90 | = |
|
| 4. | 550 | + | 90 | = |
|
| 5. | 440 | + | 80 | = |
|
| 6. | 640 | + | 90 | = |
|
| 7. | 390 | + | 50 | = |
|
| 8. | 450 | + | 70 | = |
|
| 9. | 810 | + | 80 | = |
|
| 10. | 160 | + | 80 | = |
|
| Oefening 3 | |||||
| 1. | 410 | + | 80 | = |
|
| 2. | 550 | + | 50 | = |
|
| 3. | 160 | + | 60 | = |
|
| 4. | 310 | + | 80 | = |
|
| 5. | 180 | + | 40 | = |
|
| 6. | 490 | + | 20 | = |
|
| 7. | 810 | + | 90 | = |
|
| 8. | 830 | + | 60 | = |
|
| 9. | 650 | + | 90 | = |
|
| 10. | 970 | + | 90 | = |
|
| Oefening 4 | |||||
| 1. | 560 | + | 50 | = |
|
| 2. | 980 | + | 60 | = |
|
| 3. | 860 | + | 40 | = |
|
| 4. | 520 | + | 70 | = |
|
| 5. | 740 | + | 90 | = |
|
| 6. | 630 | + | 90 | = |
|
| 7. | 660 | + | 30 | = |
|
| 8. | 460 | + | 70 | = |
|
| 9. | 930 | + | 70 | = |
|
| 10. | 150 | + | 40 | = |
|