Optellen van tientallen en eenheden die over het honderdtal gaan
Erbijsommen
| Oefening 1 | |||||
| 1. | 470 | + | 97 | = |
|
| 2. | 680 | + | 46 | = |
|
| 3. | 610 | + | 83 | = |
|
| 4. | 130 | + | 71 | = |
|
| 5. | 260 | + | 43 | = |
|
| 6. | 860 | + | 38 | = |
|
| 7. | 540 | + | 78 | = |
|
| 8. | 970 | + | 45 | = |
|
| 9. | 310 | + | 86 | = |
|
| 10. | 650 | + | 48 | = |
|
| Oefening 2 | |||||
| 1. | 350 | + | 48 | = |
|
| 2. | 360 | + | 64 | = |
|
| 3. | 150 | + | 57 | = |
|
| 4. | 810 | + | 82 | = |
|
| 5. | 550 | + | 45 | = |
|
| 6. | 820 | + | 83 | = |
|
| 7. | 330 | + | 94 | = |
|
| 8. | 710 | + | 94 | = |
|
| 9. | 840 | + | 69 | = |
|
| 10. | 460 | + | 57 | = |
|
| Oefening 3 | |||||
| 1. | 760 | + | 79 | = |
|
| 2. | 280 | + | 97 | = |
|
| 3. | 870 | + | 87 | = |
|
| 4. | 980 | + | 77 | = |
|
| 5. | 170 | + | 65 | = |
|
| 6. | 890 | + | 22 | = |
|
| 7. | 330 | + | 62 | = |
|
| 8. | 770 | + | 89 | = |
|
| 9. | 730 | + | 89 | = |
|
| 10. | 860 | + | 97 | = |
|
| Oefening 4 | |||||
| 1. | 340 | + | 74 | = |
|
| 2. | 370 | + | 47 | = |
|
| 3. | 970 | + | 45 | = |
|
| 4. | 450 | + | 67 | = |
|
| 5. | 660 | + | 31 | = |
|
| 6. | 650 | + | 84 | = |
|
| 7. | 750 | + | 63 | = |
|
| 8. | 550 | + | 42 | = |
|
| 9. | 640 | + | 72 | = |
|
| 10. | 220 | + | 87 | = |
|