Optellen van tientallen en eenheden die over het honderdtal gaan
Erbijsommen
| Oefening 1 | |||||
| 1. | 880 | + | 91 | = |
|
| 2. | 570 | + | 39 | = |
|
| 3. | 760 | + | 46 | = |
|
| 4. | 810 | + | 99 | = |
|
| 5. | 990 | + | 95 | = |
|
| 6. | 830 | + | 79 | = |
|
| 7. | 860 | + | 86 | = |
|
| 8. | 580 | + | 66 | = |
|
| 9. | 890 | + | 83 | = |
|
| 10. | 820 | + | 89 | = |
|
| Oefening 2 | |||||
| 1. | 290 | + | 8 | = |
|
| 2. | 750 | + | 79 | = |
|
| 3. | 420 | + | 86 | = |
|
| 4. | 880 | + | 68 | = |
|
| 5. | 680 | + | 13 | = |
|
| 6. | 160 | + | 69 | = |
|
| 7. | 840 | + | 67 | = |
|
| 8. | 550 | + | 58 | = |
|
| 9. | 420 | + | 74 | = |
|
| 10. | 550 | + | 85 | = |
|
| Oefening 3 | |||||
| 1. | 650 | + | 49 | = |
|
| 2. | 680 | + | 42 | = |
|
| 3. | 380 | + | 57 | = |
|
| 4. | 830 | + | 75 | = |
|
| 5. | 560 | + | 87 | = |
|
| 6. | 820 | + | 91 | = |
|
| 7. | 580 | + | 87 | = |
|
| 8. | 180 | + | 12 | = |
|
| 9. | 760 | + | 57 | = |
|
| 10. | 730 | + | 79 | = |
|
| Oefening 4 | |||||
| 1. | 250 | + | 77 | = |
|
| 2. | 890 | + | 1 | = |
|
| 3. | 810 | + | 95 | = |
|
| 4. | 950 | + | 46 | = |
|
| 5. | 290 | + | 26 | = |
|
| 6. | 550 | + | 58 | = |
|
| 7. | 840 | + | 67 | = |
|
| 8. | 430 | + | 89 | = |
|
| 9. | 740 | + | 55 | = |
|
| 10. | 530 | + | 94 | = |
|