Optellen van tientallen en eenheden die over het honderdtal gaan
Erbijsommen
| Oefening 1 | |||||
| 1. | 330 | + | 81 | = |
|
| 2. | 360 | + | 81 | = |
|
| 3. | 290 | + | 71 | = |
|
| 4. | 960 | + | 69 | = |
|
| 5. | 490 | + | 93 | = |
|
| 6. | 810 | + | 95 | = |
|
| 7. | 860 | + | 53 | = |
|
| 8. | 880 | + | 63 | = |
|
| 9. | 430 | + | 91 | = |
|
| 10. | 780 | + | 63 | = |
|
| Oefening 2 | |||||
| 1. | 590 | + | 21 | = |
|
| 2. | 750 | + | 56 | = |
|
| 3. | 810 | + | 81 | = |
|
| 4. | 520 | + | 73 | = |
|
| 5. | 350 | + | 65 | = |
|
| 6. | 310 | + | 98 | = |
|
| 7. | 790 | + | 35 | = |
|
| 8. | 760 | + | 62 | = |
|
| 9. | 470 | + | 28 | = |
|
| 10. | 880 | + | 56 | = |
|
| Oefening 3 | |||||
| 1. | 310 | + | 84 | = |
|
| 2. | 520 | + | 97 | = |
|
| 3. | 410 | + | 98 | = |
|
| 4. | 250 | + | 61 | = |
|
| 5. | 910 | + | 91 | = |
|
| 6. | 610 | + | 87 | = |
|
| 7. | 270 | + | 83 | = |
|
| 8. | 440 | + | 79 | = |
|
| 9. | 690 | + | 29 | = |
|
| 10. | 950 | + | 53 | = |
|
| Oefening 4 | |||||
| 1. | 660 | + | 95 | = |
|
| 2. | 910 | + | 94 | = |
|
| 3. | 610 | + | 97 | = |
|
| 4. | 180 | + | 47 | = |
|
| 5. | 240 | + | 99 | = |
|
| 6. | 360 | + | 32 | = |
|
| 7. | 870 | + | 51 | = |
|
| 8. | 940 | + | 62 | = |
|
| 9. | 230 | + | 65 | = |
|
| 10. | 120 | + | 77 | = |
|