Optellen van tientallen en eenheden die over het honderdtal gaan
Erbijsommen
| Oefening 1 | |||||
| 1. | 270 | + | 52 | = |
|
| 2. | 140 | + | 99 | = |
|
| 3. | 220 | + | 78 | = |
|
| 4. | 180 | + | 18 | = |
|
| 5. | 460 | + | 89 | = |
|
| 6. | 440 | + | 75 | = |
|
| 7. | 830 | + | 95 | = |
|
| 8. | 940 | + | 63 | = |
|
| 9. | 490 | + | 98 | = |
|
| 10. | 170 | + | 69 | = |
|
| Oefening 2 | |||||
| 1. | 680 | + | 91 | = |
|
| 2. | 170 | + | 89 | = |
|
| 3. | 130 | + | 96 | = |
|
| 4. | 260 | + | 99 | = |
|
| 5. | 830 | + | 91 | = |
|
| 6. | 340 | + | 57 | = |
|
| 7. | 870 | + | 89 | = |
|
| 8. | 150 | + | 87 | = |
|
| 9. | 510 | + | 91 | = |
|
| 10. | 850 | + | 71 | = |
|
| Oefening 3 | |||||
| 1. | 130 | + | 68 | = |
|
| 2. | 390 | + | 15 | = |
|
| 3. | 880 | + | 62 | = |
|
| 4. | 890 | + | 2 | = |
|
| 5. | 380 | + | 41 | = |
|
| 6. | 450 | + | 52 | = |
|
| 7. | 530 | + | 93 | = |
|
| 8. | 230 | + | 98 | = |
|
| 9. | 810 | + | 92 | = |
|
| 10. | 710 | + | 86 | = |
|
| Oefening 4 | |||||
| 1. | 190 | + | 39 | = |
|
| 2. | 790 | + | 61 | = |
|
| 3. | 690 | + | 75 | = |
|
| 4. | 910 | + | 93 | = |
|
| 5. | 220 | + | 73 | = |
|
| 6. | 690 | + | 82 | = |
|
| 7. | 270 | + | 96 | = |
|
| 8. | 350 | + | 87 | = |
|
| 9. | 240 | + | 55 | = |
|
| 10. | 170 | + | 57 | = |
|