Optellen van tientallen en eenheden die over het honderdtal gaan
Erbijsommen
| Oefening 1 | |||||
| 1. | 780 | + | 21 | = |
|
| 2. | 980 | + | 21 | = |
|
| 3. | 950 | + | 55 | = |
|
| 4. | 310 | + | 82 | = |
|
| 5. | 230 | + | 84 | = |
|
| 6. | 970 | + | 37 | = |
|
| 7. | 830 | + | 92 | = |
|
| 8. | 210 | + | 99 | = |
|
| 9. | 250 | + | 56 | = |
|
| 10. | 820 | + | 74 | = |
|
| Oefening 2 | |||||
| 1. | 840 | + | 54 | = |
|
| 2. | 830 | + | 93 | = |
|
| 3. | 670 | + | 53 | = |
|
| 4. | 770 | + | 96 | = |
|
| 5. | 470 | + | 23 | = |
|
| 6. | 480 | + | 15 | = |
|
| 7. | 810 | + | 94 | = |
|
| 8. | 470 | + | 67 | = |
|
| 9. | 670 | + | 34 | = |
|
| 10. | 780 | + | 99 | = |
|
| Oefening 3 | |||||
| 1. | 210 | + | 89 | = |
|
| 2. | 820 | + | 96 | = |
|
| 3. | 720 | + | 84 | = |
|
| 4. | 690 | + | 8 | = |
|
| 5. | 560 | + | 67 | = |
|
| 6. | 320 | + | 82 | = |
|
| 7. | 920 | + | 73 | = |
|
| 8. | 410 | + | 83 | = |
|
| 9. | 640 | + | 81 | = |
|
| 10. | 510 | + | 89 | = |
|
| Oefening 4 | |||||
| 1. | 310 | + | 88 | = |
|
| 2. | 780 | + | 19 | = |
|
| 3. | 260 | + | 59 | = |
|
| 4. | 850 | + | 62 | = |
|
| 5. | 530 | + | 88 | = |
|
| 6. | 880 | + | 19 | = |
|
| 7. | 350 | + | 88 | = |
|
| 8. | 160 | + | 43 | = |
|
| 9. | 470 | + | 52 | = |
|
| 10. | 370 | + | 26 | = |
|