Optellen van tientallen en eenheden die over het honderdtal gaan
Erbijsommen
| Oefening 1 | |||||
| 1. | 650 | + | 64 | = |
|
| 2. | 160 | + | 37 | = |
|
| 3. | 390 | + | 13 | = |
|
| 4. | 520 | + | 99 | = |
|
| 5. | 420 | + | 88 | = |
|
| 6. | 140 | + | 95 | = |
|
| 7. | 390 | + | 72 | = |
|
| 8. | 120 | + | 82 | = |
|
| 9. | 820 | + | 71 | = |
|
| 10. | 440 | + | 62 | = |
|
| Oefening 2 | |||||
| 1. | 720 | + | 92 | = |
|
| 2. | 910 | + | 93 | = |
|
| 3. | 240 | + | 99 | = |
|
| 4. | 880 | + | 56 | = |
|
| 5. | 840 | + | 53 | = |
|
| 6. | 660 | + | 44 | = |
|
| 7. | 490 | + | 41 | = |
|
| 8. | 470 | + | 39 | = |
|
| 9. | 410 | + | 94 | = |
|
| 10. | 210 | + | 91 | = |
|
| Oefening 3 | |||||
| 1. | 380 | + | 56 | = |
|
| 2. | 270 | + | 41 | = |
|
| 3. | 140 | + | 73 | = |
|
| 4. | 270 | + | 39 | = |
|
| 5. | 950 | + | 56 | = |
|
| 6. | 520 | + | 83 | = |
|
| 7. | 230 | + | 76 | = |
|
| 8. | 860 | + | 68 | = |
|
| 9. | 110 | + | 89 | = |
|
| 10. | 820 | + | 91 | = |
|
| Oefening 4 | |||||
| 1. | 890 | + | 92 | = |
|
| 2. | 330 | + | 73 | = |
|
| 3. | 290 | + | 33 | = |
|
| 4. | 880 | + | 98 | = |
|
| 5. | 130 | + | 78 | = |
|
| 6. | 560 | + | 69 | = |
|
| 7. | 330 | + | 62 | = |
|
| 8. | 540 | + | 96 | = |
|
| 9. | 350 | + | 71 | = |
|
| 10. | 980 | + | 18 | = |
|