Optellen van tientallen en eenheden die over het honderdtal gaan
Erbijsommen
| Oefening 1 | |||||
| 1. | 930 | + | 61 | = |
|
| 2. | 280 | + | 93 | = |
|
| 3. | 840 | + | 73 | = |
|
| 4. | 590 | + | 84 | = |
|
| 5. | 430 | + | 81 | = |
|
| 6. | 790 | + | 66 | = |
|
| 7. | 340 | + | 87 | = |
|
| 8. | 620 | + | 89 | = |
|
| 9. | 820 | + | 98 | = |
|
| 10. | 540 | + | 64 | = |
|
| Oefening 2 | |||||
| 1. | 390 | + | 46 | = |
|
| 2. | 370 | + | 97 | = |
|
| 3. | 460 | + | 61 | = |
|
| 4. | 650 | + | 54 | = |
|
| 5. | 120 | + | 71 | = |
|
| 6. | 930 | + | 98 | = |
|
| 7. | 830 | + | 67 | = |
|
| 8. | 970 | + | 49 | = |
|
| 9. | 910 | + | 96 | = |
|
| 10. | 220 | + | 91 | = |
|
| Oefening 3 | |||||
| 1. | 210 | + | 82 | = |
|
| 2. | 490 | + | 43 | = |
|
| 3. | 840 | + | 57 | = |
|
| 4. | 850 | + | 83 | = |
|
| 5. | 230 | + | 97 | = |
|
| 6. | 480 | + | 28 | = |
|
| 7. | 150 | + | 42 | = |
|
| 8. | 580 | + | 87 | = |
|
| 9. | 110 | + | 98 | = |
|
| 10. | 690 | + | 22 | = |
|
| Oefening 4 | |||||
| 1. | 850 | + | 59 | = |
|
| 2. | 640 | + | 58 | = |
|
| 3. | 450 | + | 57 | = |
|
| 4. | 680 | + | 31 | = |
|
| 5. | 750 | + | 46 | = |
|
| 6. | 840 | + | 97 | = |
|
| 7. | 180 | + | 59 | = |
|
| 8. | 120 | + | 85 | = |
|
| 9. | 380 | + | 85 | = |
|
| 10. | 460 | + | 94 | = |
|