Optellen van tientallen en eenheden die over het honderdtal gaan
Erbijsommen
| Oefening 1 | |||||
| 1. | 580 | + | 26 | = |
|
| 2. | 280 | + | 39 | = |
|
| 3. | 180 | + | 79 | = |
|
| 4. | 540 | + | 79 | = |
|
| 5. | 120 | + | 99 | = |
|
| 6. | 550 | + | 97 | = |
|
| 7. | 270 | + | 35 | = |
|
| 8. | 950 | + | 85 | = |
|
| 9. | 210 | + | 87 | = |
|
| 10. | 570 | + | 39 | = |
|
| Oefening 2 | |||||
| 1. | 990 | + | 27 | = |
|
| 2. | 710 | + | 88 | = |
|
| 3. | 920 | + | 78 | = |
|
| 4. | 780 | + | 78 | = |
|
| 5. | 240 | + | 87 | = |
|
| 6. | 730 | + | 86 | = |
|
| 7. | 950 | + | 42 | = |
|
| 8. | 520 | + | 75 | = |
|
| 9. | 860 | + | 47 | = |
|
| 10. | 750 | + | 92 | = |
|
| Oefening 3 | |||||
| 1. | 460 | + | 99 | = |
|
| 2. | 550 | + | 81 | = |
|
| 3. | 720 | + | 93 | = |
|
| 4. | 310 | + | 92 | = |
|
| 5. | 750 | + | 82 | = |
|
| 6. | 570 | + | 86 | = |
|
| 7. | 930 | + | 89 | = |
|
| 8. | 450 | + | 67 | = |
|
| 9. | 810 | + | 94 | = |
|
| 10. | 560 | + | 63 | = |
|
| Oefening 4 | |||||
| 1. | 670 | + | 78 | = |
|
| 2. | 510 | + | 94 | = |
|
| 3. | 180 | + | 92 | = |
|
| 4. | 330 | + | 76 | = |
|
| 5. | 520 | + | 88 | = |
|
| 6. | 150 | + | 84 | = |
|
| 7. | 470 | + | 46 | = |
|
| 8. | 660 | + | 78 | = |
|
| 9. | 730 | + | 63 | = |
|
| 10. | 360 | + | 35 | = |
|