Optellen van tientallen en eenheden die over het honderdtal gaan
Erbijsommen
| Oefening 1 | |||||
| 1. | 970 | + | 32 | = |
|
| 2. | 380 | + | 43 | = |
|
| 3. | 790 | + | 49 | = |
|
| 4. | 980 | + | 69 | = |
|
| 5. | 120 | + | 82 | = |
|
| 6. | 640 | + | 91 | = |
|
| 7. | 640 | + | 56 | = |
|
| 8. | 560 | + | 33 | = |
|
| 9. | 270 | + | 66 | = |
|
| 10. | 270 | + | 81 | = |
|
| Oefening 2 | |||||
| 1. | 320 | + | 99 | = |
|
| 2. | 760 | + | 38 | = |
|
| 3. | 570 | + | 22 | = |
|
| 4. | 490 | + | 65 | = |
|
| 5. | 710 | + | 88 | = |
|
| 6. | 420 | + | 79 | = |
|
| 7. | 840 | + | 81 | = |
|
| 8. | 470 | + | 64 | = |
|
| 9. | 730 | + | 91 | = |
|
| 10. | 790 | + | 64 | = |
|
| Oefening 3 | |||||
| 1. | 710 | + | 91 | = |
|
| 2. | 230 | + | 72 | = |
|
| 3. | 110 | + | 98 | = |
|
| 4. | 980 | + | 91 | = |
|
| 5. | 350 | + | 58 | = |
|
| 6. | 780 | + | 33 | = |
|
| 7. | 230 | + | 67 | = |
|
| 8. | 920 | + | 97 | = |
|
| 9. | 680 | + | 56 | = |
|
| 10. | 630 | + | 63 | = |
|
| Oefening 4 | |||||
| 1. | 310 | + | 88 | = |
|
| 2. | 530 | + | 82 | = |
|
| 3. | 920 | + | 88 | = |
|
| 4. | 380 | + | 61 | = |
|
| 5. | 840 | + | 76 | = |
|
| 6. | 710 | + | 89 | = |
|
| 7. | 580 | + | 41 | = |
|
| 8. | 330 | + | 83 | = |
|
| 9. | 750 | + | 95 | = |
|
| 10. | 920 | + | 88 | = |
|