Optellen van tientallen en eenheden die over het honderdtal gaan
Erbijsommen
| Oefening 1 | |||||
| 1. | 810 | + | 99 | = |
|
| 2. | 180 | + | 35 | = |
|
| 3. | 790 | + | 84 | = |
|
| 4. | 350 | + | 72 | = |
|
| 5. | 840 | + | 52 | = |
|
| 6. | 910 | + | 82 | = |
|
| 7. | 430 | + | 97 | = |
|
| 8. | 190 | + | 77 | = |
|
| 9. | 770 | + | 66 | = |
|
| 10. | 950 | + | 77 | = |
|
| Oefening 2 | |||||
| 1. | 460 | + | 33 | = |
|
| 2. | 830 | + | 73 | = |
|
| 3. | 290 | + | 6 | = |
|
| 4. | 110 | + | 83 | = |
|
| 5. | 970 | + | 31 | = |
|
| 6. | 760 | + | 38 | = |
|
| 7. | 420 | + | 75 | = |
|
| 8. | 860 | + | 39 | = |
|
| 9. | 190 | + | 4 | = |
|
| 10. | 910 | + | 99 | = |
|
| Oefening 3 | |||||
| 1. | 280 | + | 31 | = |
|
| 2. | 650 | + | 68 | = |
|
| 3. | 430 | + | 79 | = |
|
| 4. | 510 | + | 97 | = |
|
| 5. | 460 | + | 79 | = |
|
| 6. | 550 | + | 58 | = |
|
| 7. | 470 | + | 42 | = |
|
| 8. | 910 | + | 93 | = |
|
| 9. | 770 | + | 82 | = |
|
| 10. | 410 | + | 95 | = |
|
| Oefening 4 | |||||
| 1. | 960 | + | 86 | = |
|
| 2. | 810 | + | 86 | = |
|
| 3. | 220 | + | 82 | = |
|
| 4. | 410 | + | 95 | = |
|
| 5. | 250 | + | 94 | = |
|
| 6. | 610 | + | 87 | = |
|
| 7. | 460 | + | 54 | = |
|
| 8. | 480 | + | 74 | = |
|
| 9. | 580 | + | 62 | = |
|
| 10. | 940 | + | 89 | = |
|