Met tientallen over het honderdtal
Erbijsommen
| Oefening 1 | |||||
| 1. | 740 | + | 60 | = |
|
| 2. | 610 | + | 90 | = |
|
| 3. | 790 | + | 0 | = |
|
| 4. | 850 | + | 80 | = |
|
| 5. | 270 | + | 50 | = |
|
| 6. | 820 | + | 80 | = |
|
| 7. | 960 | + | 90 | = |
|
| 8. | 210 | + | 80 | = |
|
| 9. | 270 | + | 70 | = |
|
| 10. | 670 | + | 60 | = |
|
| Oefening 2 | |||||
| 1. | 630 | + | 90 | = |
|
| 2. | 150 | + | 70 | = |
|
| 3. | 660 | + | 90 | = |
|
| 4. | 110 | + | 80 | = |
|
| 5. | 290 | + | 10 | = |
|
| 6. | 480 | + | 80 | = |
|
| 7. | 410 | + | 80 | = |
|
| 8. | 450 | + | 70 | = |
|
| 9. | 340 | + | 90 | = |
|
| 10. | 710 | + | 80 | = |
|
| Oefening 3 | |||||
| 1. | 320 | + | 80 | = |
|
| 2. | 170 | + | 50 | = |
|
| 3. | 820 | + | 70 | = |
|
| 4. | 340 | + | 70 | = |
|
| 5. | 190 | + | 20 | = |
|
| 6. | 250 | + | 80 | = |
|
| 7. | 740 | + | 70 | = |
|
| 8. | 950 | + | 80 | = |
|
| 9. | 860 | + | 30 | = |
|
| 10. | 860 | + | 40 | = |
|
| Oefening 4 | |||||
| 1. | 530 | + | 70 | = |
|
| 2. | 560 | + | 50 | = |
|
| 3. | 960 | + | 40 | = |
|
| 4. | 980 | + | 20 | = |
|
| 5. | 640 | + | 60 | = |
|
| 6. | 490 | + | 50 | = |
|
| 7. | 140 | + | 70 | = |
|
| 8. | 680 | + | 50 | = |
|
| 9. | 480 | + | 80 | = |
|
| 10. | 160 | + | 40 | = |
|