Optellen van tientallen en eenheden die over het honderdtal gaan
Erbijsommen
| Oefening 1 | |||||
| 1. | 840 | + | 89 | = |
|
| 2. | 420 | + | 92 | = |
|
| 3. | 650 | + | 47 | = |
|
| 4. | 970 | + | 71 | = |
|
| 5. | 120 | + | 76 | = |
|
| 6. | 390 | + | 24 | = |
|
| 7. | 190 | + | 76 | = |
|
| 8. | 330 | + | 98 | = |
|
| 9. | 560 | + | 48 | = |
|
| 10. | 640 | + | 85 | = |
|
| Oefening 2 | |||||
| 1. | 280 | + | 21 | = |
|
| 2. | 270 | + | 32 | = |
|
| 3. | 310 | + | 93 | = |
|
| 4. | 340 | + | 51 | = |
|
| 5. | 290 | + | 57 | = |
|
| 6. | 770 | + | 88 | = |
|
| 7. | 670 | + | 62 | = |
|
| 8. | 910 | + | 96 | = |
|
| 9. | 730 | + | 93 | = |
|
| 10. | 460 | + | 98 | = |
|
| Oefening 3 | |||||
| 1. | 320 | + | 71 | = |
|
| 2. | 810 | + | 91 | = |
|
| 3. | 940 | + | 86 | = |
|
| 4. | 230 | + | 91 | = |
|
| 5. | 170 | + | 63 | = |
|
| 6. | 350 | + | 51 | = |
|
| 7. | 960 | + | 74 | = |
|
| 8. | 760 | + | 77 | = |
|
| 9. | 490 | + | 87 | = |
|
| 10. | 430 | + | 74 | = |
|
| Oefening 4 | |||||
| 1. | 620 | + | 87 | = |
|
| 2. | 730 | + | 68 | = |
|
| 3. | 240 | + | 93 | = |
|
| 4. | 590 | + | 94 | = |
|
| 5. | 130 | + | 68 | = |
|
| 6. | 450 | + | 58 | = |
|
| 7. | 110 | + | 91 | = |
|
| 8. | 470 | + | 92 | = |
|
| 9. | 960 | + | 67 | = |
|
| 10. | 190 | + | 81 | = |
|