Optellen van tientallen en eenheden die over het honderdtal gaan
Erbijsommen
| Oefening 1 | |||||
| 1. | 140 | + | 78 | = |
|
| 2. | 270 | + | 87 | = |
|
| 3. | 630 | + | 62 | = |
|
| 4. | 910 | + | 83 | = |
|
| 5. | 210 | + | 84 | = |
|
| 6. | 630 | + | 72 | = |
|
| 7. | 220 | + | 77 | = |
|
| 8. | 770 | + | 63 | = |
|
| 9. | 260 | + | 71 | = |
|
| 10. | 320 | + | 99 | = |
|
| Oefening 2 | |||||
| 1. | 240 | + | 72 | = |
|
| 2. | 530 | + | 95 | = |
|
| 3. | 750 | + | 82 | = |
|
| 4. | 270 | + | 79 | = |
|
| 5. | 930 | + | 68 | = |
|
| 6. | 930 | + | 71 | = |
|
| 7. | 930 | + | 73 | = |
|
| 8. | 540 | + | 65 | = |
|
| 9. | 740 | + | 91 | = |
|
| 10. | 510 | + | 96 | = |
|
| Oefening 3 | |||||
| 1. | 330 | + | 95 | = |
|
| 2. | 710 | + | 93 | = |
|
| 3. | 180 | + | 31 | = |
|
| 4. | 470 | + | 24 | = |
|
| 5. | 970 | + | 49 | = |
|
| 6. | 650 | + | 54 | = |
|
| 7. | 220 | + | 73 | = |
|
| 8. | 480 | + | 23 | = |
|
| 9. | 710 | + | 95 | = |
|
| 10. | 880 | + | 18 | = |
|
| Oefening 4 | |||||
| 1. | 740 | + | 65 | = |
|
| 2. | 910 | + | 86 | = |
|
| 3. | 890 | + | 46 | = |
|
| 4. | 880 | + | 73 | = |
|
| 5. | 750 | + | 69 | = |
|
| 6. | 830 | + | 73 | = |
|
| 7. | 530 | + | 76 | = |
|
| 8. | 360 | + | 31 | = |
|
| 9. | 670 | + | 41 | = |
|
| 10. | 560 | + | 31 | = |
|