Optellen van tientallen en eenheden die over het honderdtal gaan
Erbijsommen
| Oefening 1 | |||||
| 1. | 870 | + | 49 | = |
|
| 2. | 450 | + | 45 | = |
|
| 3. | 380 | + | 58 | = |
|
| 4. | 180 | + | 32 | = |
|
| 5. | 620 | + | 96 | = |
|
| 6. | 680 | + | 28 | = |
|
| 7. | 290 | + | 48 | = |
|
| 8. | 380 | + | 73 | = |
|
| 9. | 720 | + | 97 | = |
|
| 10. | 510 | + | 95 | = |
|
| Oefening 2 | |||||
| 1. | 890 | + | 15 | = |
|
| 2. | 470 | + | 24 | = |
|
| 3. | 490 | + | 63 | = |
|
| 4. | 170 | + | 75 | = |
|
| 5. | 520 | + | 88 | = |
|
| 6. | 260 | + | 43 | = |
|
| 7. | 890 | + | 76 | = |
|
| 8. | 710 | + | 97 | = |
|
| 9. | 190 | + | 44 | = |
|
| 10. | 430 | + | 88 | = |
|
| Oefening 3 | |||||
| 1. | 790 | + | 48 | = |
|
| 2. | 120 | + | 84 | = |
|
| 3. | 390 | + | 1 | = |
|
| 4. | 780 | + | 55 | = |
|
| 5. | 540 | + | 72 | = |
|
| 6. | 180 | + | 22 | = |
|
| 7. | 850 | + | 68 | = |
|
| 8. | 390 | + | 52 | = |
|
| 9. | 530 | + | 82 | = |
|
| 10. | 860 | + | 49 | = |
|
| Oefening 4 | |||||
| 1. | 790 | + | 21 | = |
|
| 2. | 150 | + | 59 | = |
|
| 3. | 750 | + | 78 | = |
|
| 4. | 460 | + | 68 | = |
|
| 5. | 250 | + | 72 | = |
|
| 6. | 150 | + | 78 | = |
|
| 7. | 940 | + | 89 | = |
|
| 8. | 160 | + | 57 | = |
|
| 9. | 780 | + | 21 | = |
|
| 10. | 580 | + | 47 | = |
|