Optellen van tientallen en eenheden die over het honderdtal gaan
Erbijsommen
| Oefening 1 | |||||
| 1. | 680 | + | 38 | = |
|
| 2. | 440 | + | 81 | = |
|
| 3. | 420 | + | 79 | = |
|
| 4. | 470 | + | 31 | = |
|
| 5. | 350 | + | 65 | = |
|
| 6. | 690 | + | 98 | = |
|
| 7. | 180 | + | 76 | = |
|
| 8. | 620 | + | 87 | = |
|
| 9. | 240 | + | 56 | = |
|
| 10. | 470 | + | 21 | = |
|
| Oefening 2 | |||||
| 1. | 180 | + | 61 | = |
|
| 2. | 690 | + | 61 | = |
|
| 3. | 890 | + | 99 | = |
|
| 4. | 160 | + | 52 | = |
|
| 5. | 430 | + | 62 | = |
|
| 6. | 430 | + | 67 | = |
|
| 7. | 480 | + | 66 | = |
|
| 8. | 720 | + | 96 | = |
|
| 9. | 470 | + | 37 | = |
|
| 10. | 220 | + | 82 | = |
|
| Oefening 3 | |||||
| 1. | 810 | + | 89 | = |
|
| 2. | 630 | + | 97 | = |
|
| 3. | 690 | + | 36 | = |
|
| 4. | 490 | + | 5 | = |
|
| 5. | 550 | + | 96 | = |
|
| 6. | 490 | + | 71 | = |
|
| 7. | 270 | + | 69 | = |
|
| 8. | 830 | + | 61 | = |
|
| 9. | 660 | + | 78 | = |
|
| 10. | 270 | + | 29 | = |
|
| Oefening 4 | |||||
| 1. | 310 | + | 95 | = |
|
| 2. | 820 | + | 97 | = |
|
| 3. | 910 | + | 97 | = |
|
| 4. | 240 | + | 52 | = |
|
| 5. | 790 | + | 99 | = |
|
| 6. | 410 | + | 83 | = |
|
| 7. | 190 | + | 44 | = |
|
| 8. | 540 | + | 62 | = |
|
| 9. | 870 | + | 77 | = |
|
| 10. | 840 | + | 74 | = |
|