Optellen van tientallen en eenheden die over het honderdtal gaan
Erbijsommen
| Oefening 1 | |||||
| 1. | 270 | + | 68 | = |
|
| 2. | 890 | + | 72 | = |
|
| 3. | 250 | + | 69 | = |
|
| 4. | 330 | + | 86 | = |
|
| 5. | 450 | + | 55 | = |
|
| 6. | 450 | + | 75 | = |
|
| 7. | 270 | + | 83 | = |
|
| 8. | 680 | + | 49 | = |
|
| 9. | 720 | + | 93 | = |
|
| 10. | 680 | + | 39 | = |
|
| Oefening 2 | |||||
| 1. | 440 | + | 99 | = |
|
| 2. | 770 | + | 64 | = |
|
| 3. | 510 | + | 92 | = |
|
| 4. | 850 | + | 42 | = |
|
| 5. | 810 | + | 88 | = |
|
| 6. | 850 | + | 54 | = |
|
| 7. | 310 | + | 95 | = |
|
| 8. | 370 | + | 75 | = |
|
| 9. | 840 | + | 85 | = |
|
| 10. | 750 | + | 61 | = |
|
| Oefening 3 | |||||
| 1. | 110 | + | 87 | = |
|
| 2. | 580 | + | 95 | = |
|
| 3. | 170 | + | 52 | = |
|
| 4. | 110 | + | 91 | = |
|
| 5. | 920 | + | 71 | = |
|
| 6. | 130 | + | 71 | = |
|
| 7. | 690 | + | 21 | = |
|
| 8. | 250 | + | 72 | = |
|
| 9. | 580 | + | 87 | = |
|
| 10. | 670 | + | 98 | = |
|
| Oefening 4 | |||||
| 1. | 730 | + | 81 | = |
|
| 2. | 230 | + | 74 | = |
|
| 3. | 860 | + | 46 | = |
|
| 4. | 850 | + | 55 | = |
|
| 5. | 360 | + | 67 | = |
|
| 6. | 370 | + | 25 | = |
|
| 7. | 710 | + | 96 | = |
|
| 8. | 580 | + | 12 | = |
|
| 9. | 820 | + | 86 | = |
|
| 10. | 450 | + | 91 | = |
|