Optellen van tientallen en eenheden die over het honderdtal gaan
Erbijsommen
| Oefening 1 | |||||
| 1. | 390 | + | 27 | = |
|
| 2. | 810 | + | 86 | = |
|
| 3. | 470 | + | 94 | = |
|
| 4. | 360 | + | 74 | = |
|
| 5. | 680 | + | 51 | = |
|
| 6. | 270 | + | 22 | = |
|
| 7. | 830 | + | 73 | = |
|
| 8. | 830 | + | 66 | = |
|
| 9. | 520 | + | 81 | = |
|
| 10. | 570 | + | 37 | = |
|
| Oefening 2 | |||||
| 1. | 140 | + | 55 | = |
|
| 2. | 430 | + | 99 | = |
|
| 3. | 730 | + | 72 | = |
|
| 4. | 420 | + | 75 | = |
|
| 5. | 420 | + | 92 | = |
|
| 6. | 510 | + | 88 | = |
|
| 7. | 830 | + | 93 | = |
|
| 8. | 960 | + | 32 | = |
|
| 9. | 330 | + | 62 | = |
|
| 10. | 210 | + | 86 | = |
|
| Oefening 3 | |||||
| 1. | 420 | + | 92 | = |
|
| 2. | 420 | + | 96 | = |
|
| 3. | 850 | + | 79 | = |
|
| 4. | 890 | + | 72 | = |
|
| 5. | 550 | + | 47 | = |
|
| 6. | 210 | + | 85 | = |
|
| 7. | 450 | + | 64 | = |
|
| 8. | 910 | + | 89 | = |
|
| 9. | 390 | + | 91 | = |
|
| 10. | 350 | + | 42 | = |
|
| Oefening 4 | |||||
| 1. | 220 | + | 81 | = |
|
| 2. | 180 | + | 94 | = |
|
| 3. | 520 | + | 97 | = |
|
| 4. | 140 | + | 74 | = |
|
| 5. | 530 | + | 79 | = |
|
| 6. | 630 | + | 95 | = |
|
| 7. | 830 | + | 64 | = |
|
| 8. | 170 | + | 61 | = |
|
| 9. | 510 | + | 88 | = |
|
| 10. | 480 | + | 39 | = |
|