Optellen van tientallen en eenheden die over het honderdtal gaan
Erbijsommen
| Oefening 1 | |||||
| 1. | 570 | + | 81 | = |
|
| 2. | 940 | + | 97 | = |
|
| 3. | 450 | + | 87 | = |
|
| 4. | 380 | + | 97 | = |
|
| 5. | 510 | + | 91 | = |
|
| 6. | 480 | + | 38 | = |
|
| 7. | 840 | + | 69 | = |
|
| 8. | 410 | + | 91 | = |
|
| 9. | 970 | + | 24 | = |
|
| 10. | 260 | + | 49 | = |
|
| Oefening 2 | |||||
| 1. | 380 | + | 18 | = |
|
| 2. | 170 | + | 22 | = |
|
| 3. | 560 | + | 44 | = |
|
| 4. | 950 | + | 71 | = |
|
| 5. | 970 | + | 71 | = |
|
| 6. | 550 | + | 79 | = |
|
| 7. | 670 | + | 23 | = |
|
| 8. | 250 | + | 54 | = |
|
| 9. | 530 | + | 79 | = |
|
| 10. | 120 | + | 75 | = |
|
| Oefening 3 | |||||
| 1. | 570 | + | 21 | = |
|
| 2. | 140 | + | 71 | = |
|
| 3. | 770 | + | 88 | = |
|
| 4. | 870 | + | 43 | = |
|
| 5. | 160 | + | 91 | = |
|
| 6. | 950 | + | 75 | = |
|
| 7. | 710 | + | 95 | = |
|
| 8. | 280 | + | 29 | = |
|
| 9. | 370 | + | 91 | = |
|
| 10. | 370 | + | 61 | = |
|
| Oefening 4 | |||||
| 1. | 440 | + | 52 | = |
|
| 2. | 510 | + | 92 | = |
|
| 3. | 150 | + | 83 | = |
|
| 4. | 560 | + | 73 | = |
|
| 5. | 530 | + | 88 | = |
|
| 6. | 230 | + | 62 | = |
|
| 7. | 810 | + | 98 | = |
|
| 8. | 440 | + | 79 | = |
|
| 9. | 970 | + | 27 | = |
|
| 10. | 580 | + | 18 | = |
|