Optellen van tientallen en eenheden die over het honderdtal gaan
Erbijsommen
| Oefening 1 | |||||
| 1. | 960 | + | 81 | = |
|
| 2. | 630 | + | 89 | = |
|
| 3. | 150 | + | 41 | = |
|
| 4. | 660 | + | 33 | = |
|
| 5. | 150 | + | 62 | = |
|
| 6. | 840 | + | 81 | = |
|
| 7. | 430 | + | 67 | = |
|
| 8. | 560 | + | 55 | = |
|
| 9. | 370 | + | 99 | = |
|
| 10. | 150 | + | 89 | = |
|
| Oefening 2 | |||||
| 1. | 470 | + | 51 | = |
|
| 2. | 620 | + | 76 | = |
|
| 3. | 530 | + | 68 | = |
|
| 4. | 260 | + | 32 | = |
|
| 5. | 990 | + | 51 | = |
|
| 6. | 780 | + | 23 | = |
|
| 7. | 290 | + | 12 | = |
|
| 8. | 350 | + | 56 | = |
|
| 9. | 120 | + | 86 | = |
|
| 10. | 330 | + | 96 | = |
|
| Oefening 3 | |||||
| 1. | 740 | + | 85 | = |
|
| 2. | 620 | + | 88 | = |
|
| 3. | 230 | + | 81 | = |
|
| 4. | 870 | + | 45 | = |
|
| 5. | 540 | + | 52 | = |
|
| 6. | 910 | + | 86 | = |
|
| 7. | 370 | + | 33 | = |
|
| 8. | 690 | + | 33 | = |
|
| 9. | 390 | + | 63 | = |
|
| 10. | 260 | + | 57 | = |
|
| Oefening 4 | |||||
| 1. | 180 | + | 89 | = |
|
| 2. | 950 | + | 88 | = |
|
| 3. | 960 | + | 69 | = |
|
| 4. | 880 | + | 58 | = |
|
| 5. | 440 | + | 62 | = |
|
| 6. | 940 | + | 53 | = |
|
| 7. | 860 | + | 36 | = |
|
| 8. | 850 | + | 57 | = |
|
| 9. | 570 | + | 46 | = |
|
| 10. | 350 | + | 87 | = |
|