Optellen van tientallen en eenheden die over het honderdtal gaan
Erbijsommen
| Oefening 1 | |||||
| 1. | 860 | + | 87 | = |
|
| 2. | 480 | + | 28 | = |
|
| 3. | 490 | + | 22 | = |
|
| 4. | 990 | + | 7 | = |
|
| 5. | 920 | + | 84 | = |
|
| 6. | 610 | + | 81 | = |
|
| 7. | 540 | + | 83 | = |
|
| 8. | 870 | + | 64 | = |
|
| 9. | 960 | + | 72 | = |
|
| 10. | 580 | + | 28 | = |
|
| Oefening 2 | |||||
| 1. | 390 | + | 19 | = |
|
| 2. | 350 | + | 57 | = |
|
| 3. | 460 | + | 78 | = |
|
| 4. | 470 | + | 95 | = |
|
| 5. | 890 | + | 85 | = |
|
| 6. | 870 | + | 88 | = |
|
| 7. | 240 | + | 61 | = |
|
| 8. | 320 | + | 82 | = |
|
| 9. | 290 | + | 74 | = |
|
| 10. | 390 | + | 74 | = |
|
| Oefening 3 | |||||
| 1. | 240 | + | 58 | = |
|
| 2. | 390 | + | 68 | = |
|
| 3. | 980 | + | 23 | = |
|
| 4. | 370 | + | 93 | = |
|
| 5. | 840 | + | 59 | = |
|
| 6. | 710 | + | 96 | = |
|
| 7. | 980 | + | 66 | = |
|
| 8. | 360 | + | 77 | = |
|
| 9. | 810 | + | 97 | = |
|
| 10. | 180 | + | 77 | = |
|
| Oefening 4 | |||||
| 1. | 290 | + | 89 | = |
|
| 2. | 660 | + | 42 | = |
|
| 3. | 820 | + | 82 | = |
|
| 4. | 490 | + | 71 | = |
|
| 5. | 940 | + | 87 | = |
|
| 6. | 950 | + | 71 | = |
|
| 7. | 640 | + | 61 | = |
|
| 8. | 310 | + | 95 | = |
|
| 9. | 160 | + | 44 | = |
|
| 10. | 160 | + | 32 | = |
|