Optellen van tientallen en eenheden die over het honderdtal gaan
Erbijsommen
| Oefening 1 | |||||
| 1. | 320 | + | 81 | = |
|
| 2. | 280 | + | 73 | = |
|
| 3. | 120 | + | 74 | = |
|
| 4. | 510 | + | 85 | = |
|
| 5. | 150 | + | 73 | = |
|
| 6. | 890 | + | 28 | = |
|
| 7. | 980 | + | 96 | = |
|
| 8. | 970 | + | 88 | = |
|
| 9. | 510 | + | 83 | = |
|
| 10. | 510 | + | 84 | = |
|
| Oefening 2 | |||||
| 1. | 440 | + | 78 | = |
|
| 2. | 460 | + | 65 | = |
|
| 3. | 190 | + | 21 | = |
|
| 4. | 610 | + | 85 | = |
|
| 5. | 820 | + | 82 | = |
|
| 6. | 830 | + | 83 | = |
|
| 7. | 410 | + | 86 | = |
|
| 8. | 260 | + | 48 | = |
|
| 9. | 960 | + | 87 | = |
|
| 10. | 310 | + | 97 | = |
|
| Oefening 3 | |||||
| 1. | 520 | + | 95 | = |
|
| 2. | 860 | + | 41 | = |
|
| 3. | 570 | + | 46 | = |
|
| 4. | 870 | + | 65 | = |
|
| 5. | 340 | + | 51 | = |
|
| 6. | 320 | + | 72 | = |
|
| 7. | 980 | + | 31 | = |
|
| 8. | 480 | + | 31 | = |
|
| 9. | 980 | + | 29 | = |
|
| 10. | 130 | + | 94 | = |
|
| Oefening 4 | |||||
| 1. | 940 | + | 87 | = |
|
| 2. | 820 | + | 98 | = |
|
| 3. | 430 | + | 78 | = |
|
| 4. | 370 | + | 46 | = |
|
| 5. | 570 | + | 76 | = |
|
| 6. | 950 | + | 71 | = |
|
| 7. | 710 | + | 97 | = |
|
| 8. | 540 | + | 71 | = |
|
| 9. | 560 | + | 87 | = |
|
| 10. | 150 | + | 97 | = |
|