Optellen van tientallen en eenheden die over het honderdtal gaan
Erbijsommen
| Oefening 1 | |||||
| 1. | 160 | + | 34 | = |
|
| 2. | 820 | + | 77 | = |
|
| 3. | 520 | + | 81 | = |
|
| 4. | 780 | + | 19 | = |
|
| 5. | 220 | + | 94 | = |
|
| 6. | 920 | + | 83 | = |
|
| 7. | 460 | + | 69 | = |
|
| 8. | 640 | + | 91 | = |
|
| 9. | 420 | + | 72 | = |
|
| 10. | 870 | + | 47 | = |
|
| Oefening 2 | |||||
| 1. | 220 | + | 76 | = |
|
| 2. | 890 | + | 98 | = |
|
| 3. | 720 | + | 76 | = |
|
| 4. | 510 | + | 86 | = |
|
| 5. | 250 | + | 55 | = |
|
| 6. | 210 | + | 84 | = |
|
| 7. | 760 | + | 82 | = |
|
| 8. | 230 | + | 66 | = |
|
| 9. | 680 | + | 37 | = |
|
| 10. | 320 | + | 71 | = |
|
| Oefening 3 | |||||
| 1. | 870 | + | 81 | = |
|
| 2. | 120 | + | 88 | = |
|
| 3. | 750 | + | 86 | = |
|
| 4. | 440 | + | 65 | = |
|
| 5. | 280 | + | 37 | = |
|
| 6. | 650 | + | 47 | = |
|
| 7. | 120 | + | 71 | = |
|
| 8. | 150 | + | 49 | = |
|
| 9. | 420 | + | 77 | = |
|
| 10. | 510 | + | 98 | = |
|
| Oefening 4 | |||||
| 1. | 190 | + | 32 | = |
|
| 2. | 480 | + | 15 | = |
|
| 3. | 360 | + | 42 | = |
|
| 4. | 180 | + | 24 | = |
|
| 5. | 530 | + | 84 | = |
|
| 6. | 920 | + | 73 | = |
|
| 7. | 880 | + | 78 | = |
|
| 8. | 620 | + | 99 | = |
|
| 9. | 390 | + | 63 | = |
|
| 10. | 370 | + | 49 | = |
|