Met tientallen over het honderdtal
Erbijsommen
| Oefening 1 | |||||
| 1. | 180 | + | 60 | = |
|
| 2. | 210 | + | 90 | = |
|
| 3. | 370 | + | 30 | = |
|
| 4. | 620 | + | 70 | = |
|
| 5. | 470 | + | 80 | = |
|
| 6. | 410 | + | 90 | = |
|
| 7. | 740 | + | 90 | = |
|
| 8. | 740 | + | 80 | = |
|
| 9. | 930 | + | 60 | = |
|
| 10. | 840 | + | 80 | = |
|
| Oefening 2 | |||||
| 1. | 310 | + | 80 | = |
|
| 2. | 270 | + | 40 | = |
|
| 3. | 860 | + | 30 | = |
|
| 4. | 120 | + | 80 | = |
|
| 5. | 420 | + | 90 | = |
|
| 6. | 790 | + | 10 | = |
|
| 7. | 250 | + | 80 | = |
|
| 8. | 980 | + | 90 | = |
|
| 9. | 560 | + | 90 | = |
|
| 10. | 610 | + | 80 | = |
|
| Oefening 3 | |||||
| 1. | 640 | + | 60 | = |
|
| 2. | 740 | + | 90 | = |
|
| 3. | 110 | + | 80 | = |
|
| 4. | 360 | + | 30 | = |
|
| 5. | 310 | + | 90 | = |
|
| 6. | 140 | + | 80 | = |
|
| 7. | 250 | + | 70 | = |
|
| 8. | 140 | + | 80 | = |
|
| 9. | 850 | + | 70 | = |
|
| 10. | 340 | + | 50 | = |
|
| Oefening 4 | |||||
| 1. | 840 | + | 60 | = |
|
| 2. | 810 | + | 80 | = |
|
| 3. | 220 | + | 70 | = |
|
| 4. | 310 | + | 90 | = |
|
| 5. | 130 | + | 70 | = |
|
| 6. | 910 | + | 80 | = |
|
| 7. | 150 | + | 40 | = |
|
| 8. | 970 | + | 30 | = |
|
| 9. | 110 | + | 80 | = |
|
| 10. | 140 | + | 70 | = |
|