Optellen van tientallen en eenheden die over het honderdtal gaan
Erbijsommen
| Oefening 1 | |||||
| 1. | 720 | + | 72 | = |
|
| 2. | 170 | + | 29 | = |
|
| 3. | 810 | + | 81 | = |
|
| 4. | 880 | + | 33 | = |
|
| 5. | 350 | + | 99 | = |
|
| 6. | 910 | + | 89 | = |
|
| 7. | 420 | + | 82 | = |
|
| 8. | 920 | + | 78 | = |
|
| 9. | 160 | + | 93 | = |
|
| 10. | 170 | + | 29 | = |
|
| Oefening 2 | |||||
| 1. | 920 | + | 98 | = |
|
| 2. | 570 | + | 84 | = |
|
| 3. | 640 | + | 69 | = |
|
| 4. | 290 | + | 29 | = |
|
| 5. | 990 | + | 72 | = |
|
| 6. | 330 | + | 81 | = |
|
| 7. | 240 | + | 94 | = |
|
| 8. | 340 | + | 69 | = |
|
| 9. | 190 | + | 61 | = |
|
| 10. | 120 | + | 74 | = |
|
| Oefening 3 | |||||
| 1. | 240 | + | 96 | = |
|
| 2. | 780 | + | 23 | = |
|
| 3. | 760 | + | 51 | = |
|
| 4. | 920 | + | 82 | = |
|
| 5. | 560 | + | 32 | = |
|
| 6. | 930 | + | 88 | = |
|
| 7. | 870 | + | 85 | = |
|
| 8. | 520 | + | 76 | = |
|
| 9. | 350 | + | 69 | = |
|
| 10. | 570 | + | 44 | = |
|
| Oefening 4 | |||||
| 1. | 640 | + | 85 | = |
|
| 2. | 280 | + | 17 | = |
|
| 3. | 150 | + | 99 | = |
|
| 4. | 770 | + | 68 | = |
|
| 5. | 360 | + | 59 | = |
|
| 6. | 260 | + | 89 | = |
|
| 7. | 150 | + | 69 | = |
|
| 8. | 150 | + | 86 | = |
|
| 9. | 140 | + | 65 | = |
|
| 10. | 960 | + | 74 | = |
|