Optellen van tientallen en eenheden die over het honderdtal gaan
Erbijsommen
| Oefening 1 | |||||
| 1. | 230 | + | 73 | = |
|
| 2. | 290 | + | 25 | = |
|
| 3. | 860 | + | 34 | = |
|
| 4. | 960 | + | 88 | = |
|
| 5. | 870 | + | 76 | = |
|
| 6. | 580 | + | 24 | = |
|
| 7. | 350 | + | 53 | = |
|
| 8. | 130 | + | 73 | = |
|
| 9. | 340 | + | 81 | = |
|
| 10. | 590 | + | 66 | = |
|
| Oefening 2 | |||||
| 1. | 250 | + | 51 | = |
|
| 2. | 280 | + | 21 | = |
|
| 3. | 950 | + | 64 | = |
|
| 4. | 150 | + | 95 | = |
|
| 5. | 470 | + | 43 | = |
|
| 6. | 560 | + | 89 | = |
|
| 7. | 590 | + | 19 | = |
|
| 8. | 950 | + | 67 | = |
|
| 9. | 820 | + | 83 | = |
|
| 10. | 470 | + | 21 | = |
|
| Oefening 3 | |||||
| 1. | 340 | + | 61 | = |
|
| 2. | 690 | + | 37 | = |
|
| 3. | 450 | + | 85 | = |
|
| 4. | 520 | + | 85 | = |
|
| 5. | 270 | + | 78 | = |
|
| 6. | 640 | + | 63 | = |
|
| 7. | 560 | + | 57 | = |
|
| 8. | 520 | + | 89 | = |
|
| 9. | 860 | + | 33 | = |
|
| 10. | 830 | + | 66 | = |
|
| Oefening 4 | |||||
| 1. | 580 | + | 17 | = |
|
| 2. | 420 | + | 93 | = |
|
| 3. | 550 | + | 65 | = |
|
| 4. | 490 | + | 6 | = |
|
| 5. | 510 | + | 92 | = |
|
| 6. | 170 | + | 27 | = |
|
| 7. | 560 | + | 44 | = |
|
| 8. | 580 | + | 94 | = |
|
| 9. | 230 | + | 66 | = |
|
| 10. | 480 | + | 37 | = |
|