Optellen van tientallen en eenheden die over het honderdtal gaan
Erbijsommen
| Oefening 1 | |||||
| 1. | 510 | + | 85 | = |
|
| 2. | 430 | + | 72 | = |
|
| 3. | 870 | + | 76 | = |
|
| 4. | 890 | + | 78 | = |
|
| 5. | 870 | + | 59 | = |
|
| 6. | 570 | + | 35 | = |
|
| 7. | 340 | + | 53 | = |
|
| 8. | 580 | + | 79 | = |
|
| 9. | 250 | + | 82 | = |
|
| 10. | 880 | + | 67 | = |
|
| Oefening 2 | |||||
| 1. | 760 | + | 92 | = |
|
| 2. | 990 | + | 48 | = |
|
| 3. | 820 | + | 77 | = |
|
| 4. | 560 | + | 31 | = |
|
| 5. | 590 | + | 77 | = |
|
| 6. | 580 | + | 99 | = |
|
| 7. | 390 | + | 3 | = |
|
| 8. | 280 | + | 12 | = |
|
| 9. | 720 | + | 75 | = |
|
| 10. | 240 | + | 94 | = |
|
| Oefening 3 | |||||
| 1. | 170 | + | 59 | = |
|
| 2. | 340 | + | 93 | = |
|
| 3. | 250 | + | 46 | = |
|
| 4. | 150 | + | 88 | = |
|
| 5. | 270 | + | 83 | = |
|
| 6. | 180 | + | 49 | = |
|
| 7. | 630 | + | 82 | = |
|
| 8. | 250 | + | 91 | = |
|
| 9. | 420 | + | 99 | = |
|
| 10. | 340 | + | 77 | = |
|
| Oefening 4 | |||||
| 1. | 530 | + | 92 | = |
|
| 2. | 990 | + | 45 | = |
|
| 3. | 240 | + | 92 | = |
|
| 4. | 740 | + | 59 | = |
|
| 5. | 730 | + | 65 | = |
|
| 6. | 410 | + | 88 | = |
|
| 7. | 980 | + | 74 | = |
|
| 8. | 610 | + | 93 | = |
|
| 9. | 290 | + | 26 | = |
|
| 10. | 350 | + | 69 | = |
|