Optellen van tientallen en eenheden die over het honderdtal gaan
Erbijsommen
| Oefening 1 | |||||
| 1. | 630 | + | 77 | = |
|
| 2. | 540 | + | 76 | = |
|
| 3. | 950 | + | 83 | = |
|
| 4. | 820 | + | 99 | = |
|
| 5. | 990 | + | 71 | = |
|
| 6. | 870 | + | 64 | = |
|
| 7. | 610 | + | 98 | = |
|
| 8. | 940 | + | 88 | = |
|
| 9. | 120 | + | 76 | = |
|
| 10. | 950 | + | 96 | = |
|
| Oefening 2 | |||||
| 1. | 390 | + | 77 | = |
|
| 2. | 570 | + | 29 | = |
|
| 3. | 470 | + | 67 | = |
|
| 4. | 480 | + | 87 | = |
|
| 5. | 750 | + | 91 | = |
|
| 6. | 560 | + | 61 | = |
|
| 7. | 810 | + | 93 | = |
|
| 8. | 520 | + | 96 | = |
|
| 9. | 580 | + | 92 | = |
|
| 10. | 140 | + | 85 | = |
|
| Oefening 3 | |||||
| 1. | 570 | + | 32 | = |
|
| 2. | 520 | + | 92 | = |
|
| 3. | 620 | + | 87 | = |
|
| 4. | 990 | + | 88 | = |
|
| 5. | 320 | + | 78 | = |
|
| 6. | 390 | + | 23 | = |
|
| 7. | 390 | + | 67 | = |
|
| 8. | 990 | + | 3 | = |
|
| 9. | 680 | + | 72 | = |
|
| 10. | 980 | + | 81 | = |
|
| Oefening 4 | |||||
| 1. | 410 | + | 86 | = |
|
| 2. | 350 | + | 68 | = |
|
| 3. | 630 | + | 62 | = |
|
| 4. | 460 | + | 71 | = |
|
| 5. | 640 | + | 66 | = |
|
| 6. | 780 | + | 26 | = |
|
| 7. | 390 | + | 22 | = |
|
| 8. | 610 | + | 91 | = |
|
| 9. | 920 | + | 91 | = |
|
| 10. | 250 | + | 65 | = |
|