Optellen van tientallen en eenheden die over het honderdtal gaan
Erbijsommen
| Oefening 1 | |||||
| 1. | 480 | + | 41 | = |
|
| 2. | 790 | + | 45 | = |
|
| 3. | 130 | + | 66 | = |
|
| 4. | 670 | + | 22 | = |
|
| 5. | 150 | + | 72 | = |
|
| 6. | 870 | + | 55 | = |
|
| 7. | 790 | + | 1 | = |
|
| 8. | 480 | + | 84 | = |
|
| 9. | 550 | + | 71 | = |
|
| 10. | 670 | + | 85 | = |
|
| Oefening 2 | |||||
| 1. | 130 | + | 86 | = |
|
| 2. | 240 | + | 53 | = |
|
| 3. | 370 | + | 83 | = |
|
| 4. | 280 | + | 17 | = |
|
| 5. | 390 | + | 42 | = |
|
| 6. | 580 | + | 72 | = |
|
| 7. | 410 | + | 94 | = |
|
| 8. | 420 | + | 82 | = |
|
| 9. | 130 | + | 71 | = |
|
| 10. | 510 | + | 89 | = |
|
| Oefening 3 | |||||
| 1. | 350 | + | 62 | = |
|
| 2. | 820 | + | 78 | = |
|
| 3. | 450 | + | 41 | = |
|
| 4. | 280 | + | 51 | = |
|
| 5. | 560 | + | 56 | = |
|
| 6. | 380 | + | 41 | = |
|
| 7. | 850 | + | 68 | = |
|
| 8. | 150 | + | 78 | = |
|
| 9. | 220 | + | 98 | = |
|
| 10. | 680 | + | 44 | = |
|
| Oefening 4 | |||||
| 1. | 390 | + | 86 | = |
|
| 2. | 630 | + | 75 | = |
|
| 3. | 370 | + | 61 | = |
|
| 4. | 880 | + | 99 | = |
|
| 5. | 260 | + | 98 | = |
|
| 6. | 420 | + | 78 | = |
|
| 7. | 290 | + | 12 | = |
|
| 8. | 170 | + | 22 | = |
|
| 9. | 280 | + | 59 | = |
|
| 10. | 660 | + | 69 | = |
|