Optellen van tientallen en eenheden die over het honderdtal gaan
Erbijsommen
| Oefening 1 | |||||
| 1. | 120 | + | 73 | = |
|
| 2. | 220 | + | 99 | = |
|
| 3. | 730 | + | 65 | = |
|
| 4. | 820 | + | 87 | = |
|
| 5. | 240 | + | 79 | = |
|
| 6. | 610 | + | 96 | = |
|
| 7. | 610 | + | 97 | = |
|
| 8. | 880 | + | 75 | = |
|
| 9. | 310 | + | 85 | = |
|
| 10. | 160 | + | 64 | = |
|
| Oefening 2 | |||||
| 1. | 210 | + | 94 | = |
|
| 2. | 710 | + | 84 | = |
|
| 3. | 950 | + | 67 | = |
|
| 4. | 710 | + | 97 | = |
|
| 5. | 340 | + | 81 | = |
|
| 6. | 420 | + | 77 | = |
|
| 7. | 820 | + | 78 | = |
|
| 8. | 330 | + | 73 | = |
|
| 9. | 690 | + | 89 | = |
|
| 10. | 330 | + | 85 | = |
|
| Oefening 3 | |||||
| 1. | 860 | + | 54 | = |
|
| 2. | 240 | + | 83 | = |
|
| 3. | 580 | + | 49 | = |
|
| 4. | 910 | + | 89 | = |
|
| 5. | 440 | + | 58 | = |
|
| 6. | 810 | + | 97 | = |
|
| 7. | 710 | + | 91 | = |
|
| 8. | 710 | + | 96 | = |
|
| 9. | 210 | + | 91 | = |
|
| 10. | 390 | + | 33 | = |
|
| Oefening 4 | |||||
| 1. | 270 | + | 58 | = |
|
| 2. | 840 | + | 84 | = |
|
| 3. | 850 | + | 55 | = |
|
| 4. | 620 | + | 76 | = |
|
| 5. | 710 | + | 95 | = |
|
| 6. | 580 | + | 48 | = |
|
| 7. | 350 | + | 89 | = |
|
| 8. | 160 | + | 72 | = |
|
| 9. | 750 | + | 41 | = |
|
| 10. | 520 | + | 81 | = |
|