Optellen van tientallen en eenheden die over het honderdtal gaan
Erbijsommen
| Oefening 1 | |||||
| 1. | 280 | + | 89 | = |
|
| 2. | 770 | + | 62 | = |
|
| 3. | 280 | + | 71 | = |
|
| 4. | 610 | + | 93 | = |
|
| 5. | 990 | + | 68 | = |
|
| 6. | 480 | + | 29 | = |
|
| 7. | 720 | + | 91 | = |
|
| 8. | 990 | + | 66 | = |
|
| 9. | 850 | + | 98 | = |
|
| 10. | 840 | + | 79 | = |
|
| Oefening 2 | |||||
| 1. | 150 | + | 98 | = |
|
| 2. | 490 | + | 45 | = |
|
| 3. | 810 | + | 98 | = |
|
| 4. | 970 | + | 34 | = |
|
| 5. | 460 | + | 66 | = |
|
| 6. | 520 | + | 74 | = |
|
| 7. | 180 | + | 89 | = |
|
| 8. | 740 | + | 61 | = |
|
| 9. | 420 | + | 92 | = |
|
| 10. | 160 | + | 31 | = |
|
| Oefening 3 | |||||
| 1. | 770 | + | 61 | = |
|
| 2. | 740 | + | 61 | = |
|
| 3. | 750 | + | 64 | = |
|
| 4. | 330 | + | 93 | = |
|
| 5. | 670 | + | 31 | = |
|
| 6. | 930 | + | 87 | = |
|
| 7. | 680 | + | 61 | = |
|
| 8. | 630 | + | 63 | = |
|
| 9. | 960 | + | 77 | = |
|
| 10. | 910 | + | 87 | = |
|
| Oefening 4 | |||||
| 1. | 160 | + | 89 | = |
|
| 2. | 590 | + | 13 | = |
|
| 3. | 870 | + | 45 | = |
|
| 4. | 190 | + | 14 | = |
|
| 5. | 460 | + | 45 | = |
|
| 6. | 170 | + | 93 | = |
|
| 7. | 980 | + | 43 | = |
|
| 8. | 940 | + | 99 | = |
|
| 9. | 910 | + | 99 | = |
|
| 10. | 170 | + | 93 | = |
|