Optellen van tientallen en eenheden die over het honderdtal gaan
Erbijsommen
| Oefening 1 | |||||
| 1. | 480 | + | 89 | = |
|
| 2. | 570 | + | 48 | = |
|
| 3. | 710 | + | 98 | = |
|
| 4. | 130 | + | 73 | = |
|
| 5. | 990 | + | 33 | = |
|
| 6. | 920 | + | 72 | = |
|
| 7. | 220 | + | 99 | = |
|
| 8. | 540 | + | 51 | = |
|
| 9. | 150 | + | 72 | = |
|
| 10. | 280 | + | 65 | = |
|
| Oefening 2 | |||||
| 1. | 820 | + | 84 | = |
|
| 2. | 110 | + | 87 | = |
|
| 3. | 540 | + | 67 | = |
|
| 4. | 220 | + | 89 | = |
|
| 5. | 490 | + | 21 | = |
|
| 6. | 980 | + | 33 | = |
|
| 7. | 640 | + | 81 | = |
|
| 8. | 720 | + | 84 | = |
|
| 9. | 540 | + | 97 | = |
|
| 10. | 280 | + | 36 | = |
|
| Oefening 3 | |||||
| 1. | 420 | + | 81 | = |
|
| 2. | 780 | + | 61 | = |
|
| 3. | 570 | + | 54 | = |
|
| 4. | 350 | + | 96 | = |
|
| 5. | 440 | + | 64 | = |
|
| 6. | 750 | + | 43 | = |
|
| 7. | 650 | + | 47 | = |
|
| 8. | 990 | + | 84 | = |
|
| 9. | 330 | + | 85 | = |
|
| 10. | 350 | + | 51 | = |
|
| Oefening 4 | |||||
| 1. | 850 | + | 44 | = |
|
| 2. | 350 | + | 98 | = |
|
| 3. | 880 | + | 91 | = |
|
| 4. | 240 | + | 66 | = |
|
| 5. | 980 | + | 52 | = |
|
| 6. | 920 | + | 93 | = |
|
| 7. | 440 | + | 84 | = |
|
| 8. | 710 | + | 98 | = |
|
| 9. | 330 | + | 96 | = |
|
| 10. | 650 | + | 66 | = |
|