Optellen van tientallen en eenheden die over het honderdtal gaan
Erbijsommen
| Oefening 1 | |||||
| 1. | 320 | + | 73 | = |
|
| 2. | 170 | + | 67 | = |
|
| 3. | 630 | + | 61 | = |
|
| 4. | 990 | + | 32 | = |
|
| 5. | 760 | + | 68 | = |
|
| 6. | 610 | + | 93 | = |
|
| 7. | 920 | + | 83 | = |
|
| 8. | 230 | + | 98 | = |
|
| 9. | 140 | + | 79 | = |
|
| 10. | 820 | + | 89 | = |
|
| Oefening 2 | |||||
| 1. | 920 | + | 75 | = |
|
| 2. | 790 | + | 96 | = |
|
| 3. | 890 | + | 84 | = |
|
| 4. | 390 | + | 1 | = |
|
| 5. | 530 | + | 94 | = |
|
| 6. | 470 | + | 63 | = |
|
| 7. | 240 | + | 62 | = |
|
| 8. | 640 | + | 59 | = |
|
| 9. | 390 | + | 28 | = |
|
| 10. | 380 | + | 78 | = |
|
| Oefening 3 | |||||
| 1. | 910 | + | 99 | = |
|
| 2. | 820 | + | 84 | = |
|
| 3. | 770 | + | 61 | = |
|
| 4. | 940 | + | 55 | = |
|
| 5. | 580 | + | 32 | = |
|
| 6. | 760 | + | 78 | = |
|
| 7. | 250 | + | 46 | = |
|
| 8. | 310 | + | 95 | = |
|
| 9. | 320 | + | 91 | = |
|
| 10. | 510 | + | 82 | = |
|
| Oefening 4 | |||||
| 1. | 450 | + | 98 | = |
|
| 2. | 420 | + | 78 | = |
|
| 3. | 980 | + | 15 | = |
|
| 4. | 510 | + | 88 | = |
|
| 5. | 990 | + | 55 | = |
|
| 6. | 530 | + | 85 | = |
|
| 7. | 150 | + | 57 | = |
|
| 8. | 870 | + | 27 | = |
|
| 9. | 340 | + | 65 | = |
|
| 10. | 310 | + | 83 | = |
|