Met tientallen over het honderdtal
Erbijsommen
| Oefening 1 | |||||
| 1. | 630 | + | 90 | = |
|
| 2. | 780 | + | 90 | = |
|
| 3. | 660 | + | 50 | = |
|
| 4. | 550 | + | 80 | = |
|
| 5. | 290 | + | 60 | = |
|
| 6. | 840 | + | 80 | = |
|
| 7. | 980 | + | 80 | = |
|
| 8. | 560 | + | 30 | = |
|
| 9. | 190 | + | 60 | = |
|
| 10. | 380 | + | 50 | = |
|
| Oefening 2 | |||||
| 1. | 480 | + | 30 | = |
|
| 2. | 340 | + | 60 | = |
|
| 3. | 870 | + | 40 | = |
|
| 4. | 370 | + | 90 | = |
|
| 5. | 110 | + | 90 | = |
|
| 6. | 140 | + | 50 | = |
|
| 7. | 350 | + | 70 | = |
|
| 8. | 240 | + | 60 | = |
|
| 9. | 410 | + | 80 | = |
|
| 10. | 920 | + | 90 | = |
|
| Oefening 3 | |||||
| 1. | 440 | + | 80 | = |
|
| 2. | 170 | + | 90 | = |
|
| 3. | 280 | + | 10 | = |
|
| 4. | 220 | + | 70 | = |
|
| 5. | 330 | + | 70 | = |
|
| 6. | 130 | + | 80 | = |
|
| 7. | 830 | + | 70 | = |
|
| 8. | 810 | + | 90 | = |
|
| 9. | 270 | + | 40 | = |
|
| 10. | 580 | + | 20 | = |
|
| Oefening 4 | |||||
| 1. | 880 | + | 40 | = |
|
| 2. | 280 | + | 50 | = |
|
| 3. | 790 | + | 80 | = |
|
| 4. | 360 | + | 70 | = |
|
| 5. | 530 | + | 60 | = |
|
| 6. | 260 | + | 60 | = |
|
| 7. | 750 | + | 60 | = |
|
| 8. | 190 | + | 90 | = |
|
| 9. | 590 | + | 40 | = |
|
| 10. | 730 | + | 70 | = |
|