Optellen van tientallen en eenheden die over het honderdtal gaan
Erbijsommen
| Oefening 1 | |||||
| 1. | 560 | + | 57 | = |
|
| 2. | 930 | + | 77 | = |
|
| 3. | 140 | + | 74 | = |
|
| 4. | 750 | + | 89 | = |
|
| 5. | 560 | + | 51 | = |
|
| 6. | 240 | + | 75 | = |
|
| 7. | 330 | + | 65 | = |
|
| 8. | 980 | + | 88 | = |
|
| 9. | 710 | + | 81 | = |
|
| 10. | 820 | + | 98 | = |
|
| Oefening 2 | |||||
| 1. | 360 | + | 61 | = |
|
| 2. | 910 | + | 89 | = |
|
| 3. | 580 | + | 48 | = |
|
| 4. | 840 | + | 71 | = |
|
| 5. | 210 | + | 85 | = |
|
| 6. | 420 | + | 81 | = |
|
| 7. | 770 | + | 79 | = |
|
| 8. | 980 | + | 37 | = |
|
| 9. | 760 | + | 64 | = |
|
| 10. | 940 | + | 66 | = |
|
| Oefening 3 | |||||
| 1. | 780 | + | 98 | = |
|
| 2. | 840 | + | 96 | = |
|
| 3. | 740 | + | 92 | = |
|
| 4. | 840 | + | 95 | = |
|
| 5. | 940 | + | 81 | = |
|
| 6. | 750 | + | 45 | = |
|
| 7. | 990 | + | 76 | = |
|
| 8. | 740 | + | 99 | = |
|
| 9. | 420 | + | 78 | = |
|
| 10. | 720 | + | 96 | = |
|
| Oefening 4 | |||||
| 1. | 170 | + | 24 | = |
|
| 2. | 970 | + | 81 | = |
|
| 3. | 910 | + | 81 | = |
|
| 4. | 360 | + | 36 | = |
|
| 5. | 770 | + | 71 | = |
|
| 6. | 540 | + | 85 | = |
|
| 7. | 650 | + | 69 | = |
|
| 8. | 520 | + | 74 | = |
|
| 9. | 550 | + | 42 | = |
|
| 10. | 590 | + | 61 | = |
|