Optellen van tientallen en eenheden die over het honderdtal gaan
Erbijsommen
| Oefening 1 | |||||
| 1. | 470 | + | 91 | = |
|
| 2. | 920 | + | 72 | = |
|
| 3. | 880 | + | 21 | = |
|
| 4. | 250 | + | 95 | = |
|
| 5. | 580 | + | 56 | = |
|
| 6. | 180 | + | 95 | = |
|
| 7. | 810 | + | 81 | = |
|
| 8. | 590 | + | 93 | = |
|
| 9. | 330 | + | 78 | = |
|
| 10. | 530 | + | 65 | = |
|
| Oefening 2 | |||||
| 1. | 450 | + | 54 | = |
|
| 2. | 420 | + | 82 | = |
|
| 3. | 540 | + | 64 | = |
|
| 4. | 370 | + | 69 | = |
|
| 5. | 820 | + | 72 | = |
|
| 6. | 320 | + | 88 | = |
|
| 7. | 990 | + | 12 | = |
|
| 8. | 440 | + | 98 | = |
|
| 9. | 260 | + | 62 | = |
|
| 10. | 670 | + | 83 | = |
|
| Oefening 3 | |||||
| 1. | 510 | + | 83 | = |
|
| 2. | 790 | + | 26 | = |
|
| 3. | 340 | + | 87 | = |
|
| 4. | 920 | + | 87 | = |
|
| 5. | 890 | + | 12 | = |
|
| 6. | 810 | + | 84 | = |
|
| 7. | 840 | + | 74 | = |
|
| 8. | 930 | + | 93 | = |
|
| 9. | 950 | + | 96 | = |
|
| 10. | 680 | + | 65 | = |
|
| Oefening 4 | |||||
| 1. | 340 | + | 68 | = |
|
| 2. | 830 | + | 84 | = |
|
| 3. | 460 | + | 47 | = |
|
| 4. | 950 | + | 52 | = |
|
| 5. | 760 | + | 39 | = |
|
| 6. | 360 | + | 88 | = |
|
| 7. | 830 | + | 98 | = |
|
| 8. | 810 | + | 99 | = |
|
| 9. | 740 | + | 99 | = |
|
| 10. | 610 | + | 84 | = |
|