Optellen van tientallen en eenheden die over het honderdtal gaan
Erbijsommen
| Oefening 1 | |||||
| 1. | 490 | + | 8 | = |
|
| 2. | 130 | + | 98 | = |
|
| 3. | 470 | + | 36 | = |
|
| 4. | 440 | + | 59 | = |
|
| 5. | 550 | + | 71 | = |
|
| 6. | 750 | + | 58 | = |
|
| 7. | 420 | + | 76 | = |
|
| 8. | 860 | + | 99 | = |
|
| 9. | 570 | + | 62 | = |
|
| 10. | 580 | + | 37 | = |
|
| Oefening 2 | |||||
| 1. | 570 | + | 29 | = |
|
| 2. | 550 | + | 47 | = |
|
| 3. | 220 | + | 79 | = |
|
| 4. | 220 | + | 71 | = |
|
| 5. | 990 | + | 98 | = |
|
| 6. | 790 | + | 37 | = |
|
| 7. | 240 | + | 82 | = |
|
| 8. | 530 | + | 94 | = |
|
| 9. | 510 | + | 97 | = |
|
| 10. | 140 | + | 88 | = |
|
| Oefening 3 | |||||
| 1. | 910 | + | 98 | = |
|
| 2. | 570 | + | 49 | = |
|
| 3. | 180 | + | 85 | = |
|
| 4. | 380 | + | 17 | = |
|
| 5. | 690 | + | 2 | = |
|
| 6. | 510 | + | 91 | = |
|
| 7. | 410 | + | 88 | = |
|
| 8. | 690 | + | 63 | = |
|
| 9. | 560 | + | 56 | = |
|
| 10. | 450 | + | 81 | = |
|
| Oefening 4 | |||||
| 1. | 390 | + | 72 | = |
|
| 2. | 720 | + | 85 | = |
|
| 3. | 170 | + | 58 | = |
|
| 4. | 510 | + | 93 | = |
|
| 5. | 640 | + | 58 | = |
|
| 6. | 430 | + | 89 | = |
|
| 7. | 530 | + | 78 | = |
|
| 8. | 780 | + | 15 | = |
|
| 9. | 610 | + | 95 | = |
|
| 10. | 780 | + | 92 | = |
|