Optellen van tientallen en eenheden die over het honderdtal gaan
Erbijsommen
| Oefening 1 | |||||
| 1. | 570 | + | 87 | = |
|
| 2. | 310 | + | 98 | = |
|
| 3. | 180 | + | 51 | = |
|
| 4. | 540 | + | 67 | = |
|
| 5. | 560 | + | 31 | = |
|
| 6. | 210 | + | 97 | = |
|
| 7. | 290 | + | 55 | = |
|
| 8. | 690 | + | 62 | = |
|
| 9. | 420 | + | 72 | = |
|
| 10. | 770 | + | 76 | = |
|
| Oefening 2 | |||||
| 1. | 940 | + | 83 | = |
|
| 2. | 160 | + | 95 | = |
|
| 3. | 780 | + | 79 | = |
|
| 4. | 150 | + | 49 | = |
|
| 5. | 430 | + | 71 | = |
|
| 6. | 180 | + | 25 | = |
|
| 7. | 570 | + | 35 | = |
|
| 8. | 210 | + | 95 | = |
|
| 9. | 310 | + | 98 | = |
|
| 10. | 460 | + | 99 | = |
|
| Oefening 3 | |||||
| 1. | 640 | + | 76 | = |
|
| 2. | 640 | + | 63 | = |
|
| 3. | 140 | + | 68 | = |
|
| 4. | 690 | + | 7 | = |
|
| 5. | 410 | + | 83 | = |
|
| 6. | 570 | + | 59 | = |
|
| 7. | 650 | + | 47 | = |
|
| 8. | 130 | + | 98 | = |
|
| 9. | 560 | + | 41 | = |
|
| 10. | 560 | + | 52 | = |
|
| Oefening 4 | |||||
| 1. | 590 | + | 11 | = |
|
| 2. | 790 | + | 16 | = |
|
| 3. | 460 | + | 39 | = |
|
| 4. | 890 | + | 7 | = |
|
| 5. | 150 | + | 57 | = |
|
| 6. | 630 | + | 71 | = |
|
| 7. | 370 | + | 88 | = |
|
| 8. | 180 | + | 33 | = |
|
| 9. | 750 | + | 48 | = |
|
| 10. | 720 | + | 76 | = |
|