Optellen van tientallen en eenheden die over het honderdtal gaan
Erbijsommen
| Oefening 1 | |||||
| 1. | 860 | + | 85 | = |
|
| 2. | 370 | + | 41 | = |
|
| 3. | 360 | + | 42 | = |
|
| 4. | 490 | + | 93 | = |
|
| 5. | 940 | + | 57 | = |
|
| 6. | 310 | + | 94 | = |
|
| 7. | 510 | + | 97 | = |
|
| 8. | 540 | + | 57 | = |
|
| 9. | 980 | + | 61 | = |
|
| 10. | 680 | + | 81 | = |
|
| Oefening 2 | |||||
| 1. | 150 | + | 77 | = |
|
| 2. | 610 | + | 92 | = |
|
| 3. | 940 | + | 99 | = |
|
| 4. | 230 | + | 92 | = |
|
| 5. | 760 | + | 68 | = |
|
| 6. | 140 | + | 56 | = |
|
| 7. | 690 | + | 3 | = |
|
| 8. | 810 | + | 88 | = |
|
| 9. | 380 | + | 92 | = |
|
| 10. | 780 | + | 68 | = |
|
| Oefening 3 | |||||
| 1. | 920 | + | 89 | = |
|
| 2. | 540 | + | 78 | = |
|
| 3. | 920 | + | 99 | = |
|
| 4. | 920 | + | 97 | = |
|
| 5. | 490 | + | 51 | = |
|
| 6. | 460 | + | 32 | = |
|
| 7. | 920 | + | 73 | = |
|
| 8. | 170 | + | 23 | = |
|
| 9. | 960 | + | 77 | = |
|
| 10. | 480 | + | 88 | = |
|
| Oefening 4 | |||||
| 1. | 640 | + | 93 | = |
|
| 2. | 630 | + | 73 | = |
|
| 3. | 110 | + | 82 | = |
|
| 4. | 450 | + | 75 | = |
|
| 5. | 670 | + | 82 | = |
|
| 6. | 870 | + | 49 | = |
|
| 7. | 440 | + | 89 | = |
|
| 8. | 440 | + | 96 | = |
|
| 9. | 130 | + | 73 | = |
|
| 10. | 110 | + | 82 | = |
|