Optellen van tientallen en eenheden die over het honderdtal gaan
Erbijsommen
| Oefening 1 | |||||
| 1. | 180 | + | 68 | = |
|
| 2. | 330 | + | 69 | = |
|
| 3. | 170 | + | 28 | = |
|
| 4. | 180 | + | 18 | = |
|
| 5. | 510 | + | 93 | = |
|
| 6. | 390 | + | 1 | = |
|
| 7. | 210 | + | 93 | = |
|
| 8. | 310 | + | 83 | = |
|
| 9. | 280 | + | 58 | = |
|
| 10. | 410 | + | 99 | = |
|
| Oefening 2 | |||||
| 1. | 250 | + | 72 | = |
|
| 2. | 450 | + | 72 | = |
|
| 3. | 260 | + | 71 | = |
|
| 4. | 210 | + | 91 | = |
|
| 5. | 840 | + | 83 | = |
|
| 6. | 590 | + | 16 | = |
|
| 7. | 630 | + | 87 | = |
|
| 8. | 980 | + | 16 | = |
|
| 9. | 990 | + | 23 | = |
|
| 10. | 540 | + | 85 | = |
|
| Oefening 3 | |||||
| 1. | 150 | + | 83 | = |
|
| 2. | 160 | + | 57 | = |
|
| 3. | 620 | + | 74 | = |
|
| 4. | 820 | + | 92 | = |
|
| 5. | 740 | + | 87 | = |
|
| 6. | 810 | + | 84 | = |
|
| 7. | 680 | + | 98 | = |
|
| 8. | 850 | + | 49 | = |
|
| 9. | 470 | + | 31 | = |
|
| 10. | 510 | + | 82 | = |
|
| Oefening 4 | |||||
| 1. | 510 | + | 92 | = |
|
| 2. | 860 | + | 74 | = |
|
| 3. | 710 | + | 91 | = |
|
| 4. | 850 | + | 96 | = |
|
| 5. | 840 | + | 66 | = |
|
| 6. | 240 | + | 94 | = |
|
| 7. | 570 | + | 93 | = |
|
| 8. | 890 | + | 24 | = |
|
| 9. | 280 | + | 58 | = |
|
| 10. | 990 | + | 89 | = |
|