Optellen van tientallen en eenheden die over het honderdtal gaan
Erbijsommen
| Oefening 1 | |||||
| 1. | 470 | + | 99 | = |
|
| 2. | 450 | + | 95 | = |
|
| 3. | 930 | + | 68 | = |
|
| 4. | 740 | + | 89 | = |
|
| 5. | 440 | + | 86 | = |
|
| 6. | 560 | + | 85 | = |
|
| 7. | 840 | + | 59 | = |
|
| 8. | 610 | + | 86 | = |
|
| 9. | 580 | + | 59 | = |
|
| 10. | 870 | + | 94 | = |
|
| Oefening 2 | |||||
| 1. | 350 | + | 66 | = |
|
| 2. | 640 | + | 82 | = |
|
| 3. | 640 | + | 65 | = |
|
| 4. | 420 | + | 78 | = |
|
| 5. | 250 | + | 48 | = |
|
| 6. | 860 | + | 43 | = |
|
| 7. | 960 | + | 93 | = |
|
| 8. | 530 | + | 96 | = |
|
| 9. | 760 | + | 56 | = |
|
| 10. | 460 | + | 52 | = |
|
| Oefening 3 | |||||
| 1. | 180 | + | 91 | = |
|
| 2. | 130 | + | 85 | = |
|
| 3. | 750 | + | 96 | = |
|
| 4. | 120 | + | 77 | = |
|
| 5. | 460 | + | 44 | = |
|
| 6. | 370 | + | 62 | = |
|
| 7. | 830 | + | 62 | = |
|
| 8. | 830 | + | 92 | = |
|
| 9. | 250 | + | 77 | = |
|
| 10. | 510 | + | 99 | = |
|
| Oefening 4 | |||||
| 1. | 350 | + | 53 | = |
|
| 2. | 480 | + | 52 | = |
|
| 3. | 240 | + | 55 | = |
|
| 4. | 420 | + | 95 | = |
|
| 5. | 170 | + | 49 | = |
|
| 6. | 780 | + | 67 | = |
|
| 7. | 650 | + | 45 | = |
|
| 8. | 220 | + | 92 | = |
|
| 9. | 680 | + | 66 | = |
|
| 10. | 690 | + | 8 | = |
|