Optellen van tientallen en eenheden die over het honderdtal gaan
Erbijsommen
| Oefening 1 | |||||
| 1. | 320 | + | 78 | = |
|
| 2. | 640 | + | 54 | = |
|
| 3. | 290 | + | 63 | = |
|
| 4. | 990 | + | 48 | = |
|
| 5. | 640 | + | 96 | = |
|
| 6. | 690 | + | 45 | = |
|
| 7. | 410 | + | 99 | = |
|
| 8. | 550 | + | 82 | = |
|
| 9. | 830 | + | 81 | = |
|
| 10. | 890 | + | 34 | = |
|
| Oefening 2 | |||||
| 1. | 180 | + | 98 | = |
|
| 2. | 510 | + | 88 | = |
|
| 3. | 820 | + | 81 | = |
|
| 4. | 450 | + | 64 | = |
|
| 5. | 840 | + | 77 | = |
|
| 6. | 630 | + | 63 | = |
|
| 7. | 680 | + | 17 | = |
|
| 8. | 250 | + | 89 | = |
|
| 9. | 630 | + | 84 | = |
|
| 10. | 860 | + | 88 | = |
|
| Oefening 3 | |||||
| 1. | 710 | + | 84 | = |
|
| 2. | 860 | + | 97 | = |
|
| 3. | 480 | + | 71 | = |
|
| 4. | 870 | + | 36 | = |
|
| 5. | 710 | + | 99 | = |
|
| 6. | 730 | + | 82 | = |
|
| 7. | 330 | + | 91 | = |
|
| 8. | 710 | + | 86 | = |
|
| 9. | 270 | + | 76 | = |
|
| 10. | 860 | + | 75 | = |
|
| Oefening 4 | |||||
| 1. | 290 | + | 41 | = |
|
| 2. | 110 | + | 96 | = |
|
| 3. | 170 | + | 54 | = |
|
| 4. | 290 | + | 4 | = |
|
| 5. | 950 | + | 63 | = |
|
| 6. | 750 | + | 57 | = |
|
| 7. | 670 | + | 41 | = |
|
| 8. | 620 | + | 94 | = |
|
| 9. | 310 | + | 91 | = |
|
| 10. | 590 | + | 95 | = |
|