Optellen van tientallen en eenheden die over het honderdtal gaan
Erbijsommen
| Oefening 1 | |||||
| 1. | 570 | + | 79 | = |
|
| 2. | 610 | + | 87 | = |
|
| 3. | 990 | + | 9 | = |
|
| 4. | 720 | + | 95 | = |
|
| 5. | 820 | + | 99 | = |
|
| 6. | 780 | + | 27 | = |
|
| 7. | 810 | + | 87 | = |
|
| 8. | 120 | + | 83 | = |
|
| 9. | 310 | + | 84 | = |
|
| 10. | 160 | + | 39 | = |
|
| Oefening 2 | |||||
| 1. | 670 | + | 74 | = |
|
| 2. | 980 | + | 26 | = |
|
| 3. | 520 | + | 84 | = |
|
| 4. | 320 | + | 94 | = |
|
| 5. | 680 | + | 46 | = |
|
| 6. | 960 | + | 62 | = |
|
| 7. | 330 | + | 85 | = |
|
| 8. | 280 | + | 44 | = |
|
| 9. | 590 | + | 33 | = |
|
| 10. | 950 | + | 87 | = |
|
| Oefening 3 | |||||
| 1. | 440 | + | 79 | = |
|
| 2. | 530 | + | 94 | = |
|
| 3. | 320 | + | 98 | = |
|
| 4. | 520 | + | 92 | = |
|
| 5. | 550 | + | 45 | = |
|
| 6. | 580 | + | 82 | = |
|
| 7. | 480 | + | 49 | = |
|
| 8. | 230 | + | 89 | = |
|
| 9. | 510 | + | 83 | = |
|
| 10. | 530 | + | 65 | = |
|
| Oefening 4 | |||||
| 1. | 340 | + | 86 | = |
|
| 2. | 370 | + | 39 | = |
|
| 3. | 620 | + | 93 | = |
|
| 4. | 570 | + | 71 | = |
|
| 5. | 590 | + | 45 | = |
|
| 6. | 230 | + | 92 | = |
|
| 7. | 710 | + | 82 | = |
|
| 8. | 960 | + | 83 | = |
|
| 9. | 150 | + | 89 | = |
|
| 10. | 290 | + | 59 | = |
|