Optellen van tientallen en eenheden die over het honderdtal gaan
Erbijsommen
| Oefening 1 | |||||
| 1. | 330 | + | 97 | = |
|
| 2. | 420 | + | 77 | = |
|
| 3. | 990 | + | 28 | = |
|
| 4. | 660 | + | 91 | = |
|
| 5. | 270 | + | 98 | = |
|
| 6. | 330 | + | 97 | = |
|
| 7. | 730 | + | 83 | = |
|
| 8. | 870 | + | 34 | = |
|
| 9. | 940 | + | 97 | = |
|
| 10. | 490 | + | 28 | = |
|
| Oefening 2 | |||||
| 1. | 860 | + | 93 | = |
|
| 2. | 710 | + | 93 | = |
|
| 3. | 410 | + | 94 | = |
|
| 4. | 270 | + | 28 | = |
|
| 5. | 840 | + | 56 | = |
|
| 6. | 280 | + | 66 | = |
|
| 7. | 990 | + | 69 | = |
|
| 8. | 740 | + | 83 | = |
|
| 9. | 850 | + | 97 | = |
|
| 10. | 760 | + | 46 | = |
|
| Oefening 3 | |||||
| 1. | 580 | + | 15 | = |
|
| 2. | 920 | + | 84 | = |
|
| 3. | 660 | + | 42 | = |
|
| 4. | 930 | + | 79 | = |
|
| 5. | 870 | + | 49 | = |
|
| 6. | 960 | + | 65 | = |
|
| 7. | 910 | + | 91 | = |
|
| 8. | 440 | + | 98 | = |
|
| 9. | 340 | + | 97 | = |
|
| 10. | 240 | + | 64 | = |
|
| Oefening 4 | |||||
| 1. | 480 | + | 88 | = |
|
| 2. | 360 | + | 69 | = |
|
| 3. | 810 | + | 99 | = |
|
| 4. | 850 | + | 99 | = |
|
| 5. | 170 | + | 46 | = |
|
| 6. | 560 | + | 71 | = |
|
| 7. | 720 | + | 88 | = |
|
| 8. | 210 | + | 82 | = |
|
| 9. | 270 | + | 94 | = |
|
| 10. | 120 | + | 93 | = |
|