Optellen van tientallen en eenheden die over het honderdtal gaan
Erbijsommen
| Oefening 1 | |||||
| 1. | 720 | + | 83 | = |
|
| 2. | 570 | + | 45 | = |
|
| 3. | 280 | + | 32 | = |
|
| 4. | 560 | + | 31 | = |
|
| 5. | 360 | + | 88 | = |
|
| 6. | 840 | + | 63 | = |
|
| 7. | 280 | + | 71 | = |
|
| 8. | 980 | + | 72 | = |
|
| 9. | 330 | + | 64 | = |
|
| 10. | 180 | + | 79 | = |
|
| Oefening 2 | |||||
| 1. | 710 | + | 99 | = |
|
| 2. | 390 | + | 57 | = |
|
| 3. | 870 | + | 34 | = |
|
| 4. | 830 | + | 86 | = |
|
| 5. | 440 | + | 64 | = |
|
| 6. | 740 | + | 76 | = |
|
| 7. | 570 | + | 83 | = |
|
| 8. | 980 | + | 21 | = |
|
| 9. | 140 | + | 95 | = |
|
| 10. | 810 | + | 85 | = |
|
| Oefening 3 | |||||
| 1. | 680 | + | 65 | = |
|
| 2. | 480 | + | 57 | = |
|
| 3. | 260 | + | 32 | = |
|
| 4. | 170 | + | 69 | = |
|
| 5. | 730 | + | 92 | = |
|
| 6. | 370 | + | 88 | = |
|
| 7. | 460 | + | 32 | = |
|
| 8. | 630 | + | 76 | = |
|
| 9. | 520 | + | 77 | = |
|
| 10. | 680 | + | 21 | = |
|
| Oefening 4 | |||||
| 1. | 780 | + | 29 | = |
|
| 2. | 360 | + | 92 | = |
|
| 3. | 490 | + | 63 | = |
|
| 4. | 840 | + | 59 | = |
|
| 5. | 760 | + | 99 | = |
|
| 6. | 470 | + | 56 | = |
|
| 7. | 520 | + | 74 | = |
|
| 8. | 690 | + | 41 | = |
|
| 9. | 990 | + | 37 | = |
|
| 10. | 970 | + | 56 | = |
|