Optellen van tientallen en eenheden die over het honderdtal gaan
Erbijsommen
| Oefening 1 | |||||
| 1. | 390 | + | 37 | = |
|
| 2. | 470 | + | 46 | = |
|
| 3. | 470 | + | 23 | = |
|
| 4. | 430 | + | 66 | = |
|
| 5. | 820 | + | 82 | = |
|
| 6. | 580 | + | 18 | = |
|
| 7. | 180 | + | 36 | = |
|
| 8. | 890 | + | 48 | = |
|
| 9. | 120 | + | 97 | = |
|
| 10. | 590 | + | 63 | = |
|
| Oefening 2 | |||||
| 1. | 270 | + | 48 | = |
|
| 2. | 150 | + | 79 | = |
|
| 3. | 450 | + | 97 | = |
|
| 4. | 180 | + | 48 | = |
|
| 5. | 220 | + | 94 | = |
|
| 6. | 740 | + | 55 | = |
|
| 7. | 990 | + | 39 | = |
|
| 8. | 570 | + | 89 | = |
|
| 9. | 740 | + | 77 | = |
|
| 10. | 650 | + | 56 | = |
|
| Oefening 3 | |||||
| 1. | 860 | + | 49 | = |
|
| 2. | 210 | + | 97 | = |
|
| 3. | 970 | + | 39 | = |
|
| 4. | 750 | + | 45 | = |
|
| 5. | 950 | + | 92 | = |
|
| 6. | 950 | + | 95 | = |
|
| 7. | 470 | + | 26 | = |
|
| 8. | 620 | + | 75 | = |
|
| 9. | 950 | + | 86 | = |
|
| 10. | 560 | + | 44 | = |
|
| Oefening 4 | |||||
| 1. | 480 | + | 51 | = |
|
| 2. | 250 | + | 53 | = |
|
| 3. | 240 | + | 59 | = |
|
| 4. | 660 | + | 31 | = |
|
| 5. | 410 | + | 88 | = |
|
| 6. | 930 | + | 63 | = |
|
| 7. | 320 | + | 95 | = |
|
| 8. | 780 | + | 97 | = |
|
| 9. | 580 | + | 25 | = |
|
| 10. | 810 | + | 81 | = |
|