Optellen van tientallen en eenheden die over het honderdtal gaan
Erbijsommen
| Oefening 1 | |||||
| 1. | 420 | + | 78 | = |
|
| 2. | 470 | + | 25 | = |
|
| 3. | 240 | + | 95 | = |
|
| 4. | 910 | + | 81 | = |
|
| 5. | 220 | + | 76 | = |
|
| 6. | 760 | + | 49 | = |
|
| 7. | 390 | + | 93 | = |
|
| 8. | 570 | + | 53 | = |
|
| 9. | 270 | + | 99 | = |
|
| 10. | 580 | + | 14 | = |
|
| Oefening 2 | |||||
| 1. | 490 | + | 27 | = |
|
| 2. | 970 | + | 49 | = |
|
| 3. | 320 | + | 89 | = |
|
| 4. | 570 | + | 72 | = |
|
| 5. | 650 | + | 46 | = |
|
| 6. | 910 | + | 86 | = |
|
| 7. | 840 | + | 58 | = |
|
| 8. | 470 | + | 81 | = |
|
| 9. | 470 | + | 29 | = |
|
| 10. | 530 | + | 84 | = |
|
| Oefening 3 | |||||
| 1. | 140 | + | 76 | = |
|
| 2. | 660 | + | 49 | = |
|
| 3. | 320 | + | 91 | = |
|
| 4. | 810 | + | 95 | = |
|
| 5. | 710 | + | 81 | = |
|
| 6. | 280 | + | 54 | = |
|
| 7. | 650 | + | 51 | = |
|
| 8. | 730 | + | 97 | = |
|
| 9. | 770 | + | 32 | = |
|
| 10. | 210 | + | 87 | = |
|
| Oefening 4 | |||||
| 1. | 870 | + | 85 | = |
|
| 2. | 880 | + | 84 | = |
|
| 3. | 170 | + | 71 | = |
|
| 4. | 240 | + | 99 | = |
|
| 5. | 710 | + | 99 | = |
|
| 6. | 710 | + | 91 | = |
|
| 7. | 770 | + | 54 | = |
|
| 8. | 430 | + | 91 | = |
|
| 9. | 830 | + | 76 | = |
|
| 10. | 790 | + | 83 | = |
|