Optellen van tientallen en eenheden die over het honderdtal gaan
Erbijsommen
| Oefening 1 | |||||
| 1. | 230 | + | 67 | = |
|
| 2. | 730 | + | 97 | = |
|
| 3. | 630 | + | 79 | = |
|
| 4. | 630 | + | 72 | = |
|
| 5. | 380 | + | 95 | = |
|
| 6. | 540 | + | 59 | = |
|
| 7. | 130 | + | 89 | = |
|
| 8. | 710 | + | 87 | = |
|
| 9. | 160 | + | 79 | = |
|
| 10. | 130 | + | 95 | = |
|
| Oefening 2 | |||||
| 1. | 650 | + | 44 | = |
|
| 2. | 240 | + | 84 | = |
|
| 3. | 120 | + | 91 | = |
|
| 4. | 360 | + | 63 | = |
|
| 5. | 890 | + | 98 | = |
|
| 6. | 270 | + | 78 | = |
|
| 7. | 350 | + | 61 | = |
|
| 8. | 540 | + | 65 | = |
|
| 9. | 480 | + | 92 | = |
|
| 10. | 990 | + | 12 | = |
|
| Oefening 3 | |||||
| 1. | 950 | + | 41 | = |
|
| 2. | 280 | + | 81 | = |
|
| 3. | 720 | + | 71 | = |
|
| 4. | 870 | + | 25 | = |
|
| 5. | 530 | + | 79 | = |
|
| 6. | 370 | + | 53 | = |
|
| 7. | 230 | + | 87 | = |
|
| 8. | 420 | + | 97 | = |
|
| 9. | 470 | + | 74 | = |
|
| 10. | 950 | + | 87 | = |
|
| Oefening 4 | |||||
| 1. | 490 | + | 63 | = |
|
| 2. | 870 | + | 51 | = |
|
| 3. | 350 | + | 83 | = |
|
| 4. | 490 | + | 54 | = |
|
| 5. | 690 | + | 14 | = |
|
| 6. | 720 | + | 91 | = |
|
| 7. | 270 | + | 68 | = |
|
| 8. | 950 | + | 99 | = |
|
| 9. | 740 | + | 86 | = |
|
| 10. | 890 | + | 43 | = |
|