Optellen van tientallen en eenheden die over het honderdtal gaan
Erbijsommen
| Oefening 1 | |||||
| 1. | 260 | + | 91 | = |
|
| 2. | 980 | + | 31 | = |
|
| 3. | 570 | + | 49 | = |
|
| 4. | 520 | + | 72 | = |
|
| 5. | 790 | + | 41 | = |
|
| 6. | 640 | + | 64 | = |
|
| 7. | 910 | + | 87 | = |
|
| 8. | 580 | + | 37 | = |
|
| 9. | 420 | + | 87 | = |
|
| 10. | 410 | + | 83 | = |
|
| Oefening 2 | |||||
| 1. | 960 | + | 48 | = |
|
| 2. | 130 | + | 73 | = |
|
| 3. | 720 | + | 73 | = |
|
| 4. | 110 | + | 95 | = |
|
| 5. | 230 | + | 79 | = |
|
| 6. | 230 | + | 97 | = |
|
| 7. | 650 | + | 53 | = |
|
| 8. | 420 | + | 83 | = |
|
| 9. | 640 | + | 61 | = |
|
| 10. | 180 | + | 45 | = |
|
| Oefening 3 | |||||
| 1. | 440 | + | 98 | = |
|
| 2. | 380 | + | 54 | = |
|
| 3. | 590 | + | 32 | = |
|
| 4. | 220 | + | 99 | = |
|
| 5. | 340 | + | 53 | = |
|
| 6. | 150 | + | 77 | = |
|
| 7. | 810 | + | 99 | = |
|
| 8. | 990 | + | 77 | = |
|
| 9. | 680 | + | 99 | = |
|
| 10. | 290 | + | 87 | = |
|
| Oefening 4 | |||||
| 1. | 120 | + | 73 | = |
|
| 2. | 560 | + | 31 | = |
|
| 3. | 560 | + | 54 | = |
|
| 4. | 470 | + | 41 | = |
|
| 5. | 820 | + | 71 | = |
|
| 6. | 710 | + | 84 | = |
|
| 7. | 790 | + | 87 | = |
|
| 8. | 930 | + | 97 | = |
|
| 9. | 540 | + | 89 | = |
|
| 10. | 950 | + | 49 | = |
|