Optellen van tientallen en eenheden die over het honderdtal gaan
Erbijsommen
| Oefening 1 | |||||
| 1. | 570 | + | 62 | = |
|
| 2. | 790 | + | 61 | = |
|
| 3. | 820 | + | 71 | = |
|
| 4. | 990 | + | 99 | = |
|
| 5. | 390 | + | 94 | = |
|
| 6. | 910 | + | 92 | = |
|
| 7. | 510 | + | 92 | = |
|
| 8. | 360 | + | 36 | = |
|
| 9. | 360 | + | 48 | = |
|
| 10. | 110 | + | 95 | = |
|
| Oefening 2 | |||||
| 1. | 170 | + | 26 | = |
|
| 2. | 690 | + | 86 | = |
|
| 3. | 880 | + | 58 | = |
|
| 4. | 740 | + | 83 | = |
|
| 5. | 820 | + | 98 | = |
|
| 6. | 670 | + | 57 | = |
|
| 7. | 570 | + | 62 | = |
|
| 8. | 860 | + | 41 | = |
|
| 9. | 740 | + | 62 | = |
|
| 10. | 170 | + | 64 | = |
|
| Oefening 3 | |||||
| 1. | 590 | + | 91 | = |
|
| 2. | 120 | + | 89 | = |
|
| 3. | 270 | + | 64 | = |
|
| 4. | 850 | + | 87 | = |
|
| 5. | 940 | + | 96 | = |
|
| 6. | 420 | + | 74 | = |
|
| 7. | 180 | + | 16 | = |
|
| 8. | 290 | + | 79 | = |
|
| 9. | 850 | + | 66 | = |
|
| 10. | 850 | + | 77 | = |
|
| Oefening 4 | |||||
| 1. | 410 | + | 85 | = |
|
| 2. | 250 | + | 56 | = |
|
| 3. | 660 | + | 74 | = |
|
| 4. | 750 | + | 41 | = |
|
| 5. | 260 | + | 73 | = |
|
| 6. | 720 | + | 83 | = |
|
| 7. | 640 | + | 95 | = |
|
| 8. | 440 | + | 57 | = |
|
| 9. | 910 | + | 97 | = |
|
| 10. | 760 | + | 63 | = |
|