Optellen van tientallen en eenheden die over het honderdtal gaan
Erbijsommen
| Oefening 1 | |||||
| 1. | 530 | + | 61 | = |
|
| 2. | 860 | + | 32 | = |
|
| 3. | 160 | + | 77 | = |
|
| 4. | 250 | + | 78 | = |
|
| 5. | 360 | + | 96 | = |
|
| 6. | 110 | + | 98 | = |
|
| 7. | 280 | + | 88 | = |
|
| 8. | 770 | + | 23 | = |
|
| 9. | 450 | + | 76 | = |
|
| 10. | 830 | + | 81 | = |
|
| Oefening 2 | |||||
| 1. | 940 | + | 79 | = |
|
| 2. | 310 | + | 87 | = |
|
| 3. | 440 | + | 78 | = |
|
| 4. | 310 | + | 96 | = |
|
| 5. | 250 | + | 93 | = |
|
| 6. | 760 | + | 55 | = |
|
| 7. | 280 | + | 97 | = |
|
| 8. | 140 | + | 72 | = |
|
| 9. | 370 | + | 74 | = |
|
| 10. | 370 | + | 51 | = |
|
| Oefening 3 | |||||
| 1. | 210 | + | 81 | = |
|
| 2. | 220 | + | 84 | = |
|
| 3. | 840 | + | 96 | = |
|
| 4. | 750 | + | 43 | = |
|
| 5. | 240 | + | 52 | = |
|
| 6. | 210 | + | 92 | = |
|
| 7. | 330 | + | 66 | = |
|
| 8. | 930 | + | 88 | = |
|
| 9. | 540 | + | 68 | = |
|
| 10. | 520 | + | 99 | = |
|
| Oefening 4 | |||||
| 1. | 410 | + | 82 | = |
|
| 2. | 790 | + | 69 | = |
|
| 3. | 790 | + | 91 | = |
|
| 4. | 650 | + | 88 | = |
|
| 5. | 580 | + | 87 | = |
|
| 6. | 280 | + | 61 | = |
|
| 7. | 930 | + | 98 | = |
|
| 8. | 520 | + | 81 | = |
|
| 9. | 470 | + | 91 | = |
|
| 10. | 280 | + | 64 | = |
|