Met tientallen over het honderdtal
Erbijsommen
| Oefening 1 | |||||
| 1. | 210 | + | 80 | = |
|
| 2. | 520 | + | 80 | = |
|
| 3. | 180 | + | 60 | = |
|
| 4. | 660 | + | 80 | = |
|
| 5. | 170 | + | 80 | = |
|
| 6. | 850 | + | 70 | = |
|
| 7. | 560 | + | 40 | = |
|
| 8. | 130 | + | 70 | = |
|
| 9. | 110 | + | 90 | = |
|
| 10. | 340 | + | 80 | = |
|
| Oefening 2 | |||||
| 1. | 550 | + | 80 | = |
|
| 2. | 310 | + | 80 | = |
|
| 3. | 360 | + | 30 | = |
|
| 4. | 750 | + | 90 | = |
|
| 5. | 220 | + | 70 | = |
|
| 6. | 130 | + | 70 | = |
|
| 7. | 110 | + | 90 | = |
|
| 8. | 410 | + | 80 | = |
|
| 9. | 250 | + | 70 | = |
|
| 10. | 990 | + | 40 | = |
|
| Oefening 3 | |||||
| 1. | 850 | + | 70 | = |
|
| 2. | 170 | + | 20 | = |
|
| 3. | 480 | + | 80 | = |
|
| 4. | 760 | + | 40 | = |
|
| 5. | 490 | + | 30 | = |
|
| 6. | 910 | + | 90 | = |
|
| 7. | 940 | + | 90 | = |
|
| 8. | 710 | + | 90 | = |
|
| 9. | 780 | + | 40 | = |
|
| 10. | 320 | + | 90 | = |
|
| Oefening 4 | |||||
| 1. | 750 | + | 40 | = |
|
| 2. | 570 | + | 60 | = |
|
| 3. | 250 | + | 50 | = |
|
| 4. | 760 | + | 90 | = |
|
| 5. | 510 | + | 80 | = |
|
| 6. | 310 | + | 80 | = |
|
| 7. | 490 | + | 80 | = |
|
| 8. | 740 | + | 70 | = |
|
| 9. | 750 | + | 90 | = |
|
| 10. | 190 | + | 30 | = |
|