Met tientallen over het honderdtal
Erbijsommen
| Oefening 1 | |||||
| 1. | 320 | + | 80 | = |
|
| 2. | 230 | + | 90 | = |
|
| 3. | 990 | + | 60 | = |
|
| 4. | 640 | + | 50 | = |
|
| 5. | 150 | + | 40 | = |
|
| 6. | 460 | + | 80 | = |
|
| 7. | 620 | + | 90 | = |
|
| 8. | 840 | + | 50 | = |
|
| 9. | 970 | + | 70 | = |
|
| 10. | 990 | + | 50 | = |
|
| Oefening 2 | |||||
| 1. | 130 | + | 80 | = |
|
| 2. | 760 | + | 70 | = |
|
| 3. | 820 | + | 90 | = |
|
| 4. | 930 | + | 60 | = |
|
| 5. | 160 | + | 50 | = |
|
| 6. | 970 | + | 40 | = |
|
| 7. | 140 | + | 90 | = |
|
| 8. | 330 | + | 80 | = |
|
| 9. | 730 | + | 80 | = |
|
| 10. | 960 | + | 70 | = |
|
| Oefening 3 | |||||
| 1. | 660 | + | 30 | = |
|
| 2. | 370 | + | 50 | = |
|
| 3. | 950 | + | 60 | = |
|
| 4. | 260 | + | 70 | = |
|
| 5. | 160 | + | 80 | = |
|
| 6. | 580 | + | 60 | = |
|
| 7. | 870 | + | 70 | = |
|
| 8. | 620 | + | 70 | = |
|
| 9. | 370 | + | 40 | = |
|
| 10. | 220 | + | 70 | = |
|
| Oefening 4 | |||||
| 1. | 240 | + | 60 | = |
|
| 2. | 990 | + | 30 | = |
|
| 3. | 150 | + | 50 | = |
|
| 4. | 970 | + | 70 | = |
|
| 5. | 560 | + | 40 | = |
|
| 6. | 160 | + | 80 | = |
|
| 7. | 310 | + | 90 | = |
|
| 8. | 930 | + | 60 | = |
|
| 9. | 410 | + | 80 | = |
|
| 10. | 280 | + | 90 | = |
|