Optellen van tientallen en eenheden die over het honderdtal gaan
Erbijsommen
| Oefening 1 | |||||
| 1. | 640 | + | 74 | = |
|
| 2. | 310 | + | 86 | = |
|
| 3. | 580 | + | 32 | = |
|
| 4. | 390 | + | 44 | = |
|
| 5. | 750 | + | 94 | = |
|
| 6. | 870 | + | 68 | = |
|
| 7. | 190 | + | 96 | = |
|
| 8. | 550 | + | 88 | = |
|
| 9. | 550 | + | 48 | = |
|
| 10. | 260 | + | 85 | = |
|
| Oefening 2 | |||||
| 1. | 850 | + | 56 | = |
|
| 2. | 560 | + | 74 | = |
|
| 3. | 880 | + | 29 | = |
|
| 4. | 170 | + | 75 | = |
|
| 5. | 490 | + | 24 | = |
|
| 6. | 350 | + | 44 | = |
|
| 7. | 960 | + | 95 | = |
|
| 8. | 410 | + | 85 | = |
|
| 9. | 890 | + | 82 | = |
|
| 10. | 210 | + | 92 | = |
|
| Oefening 3 | |||||
| 1. | 640 | + | 99 | = |
|
| 2. | 690 | + | 28 | = |
|
| 3. | 830 | + | 64 | = |
|
| 4. | 240 | + | 58 | = |
|
| 5. | 820 | + | 83 | = |
|
| 6. | 110 | + | 91 | = |
|
| 7. | 380 | + | 23 | = |
|
| 8. | 670 | + | 77 | = |
|
| 9. | 540 | + | 76 | = |
|
| 10. | 430 | + | 61 | = |
|
| Oefening 4 | |||||
| 1. | 630 | + | 99 | = |
|
| 2. | 210 | + | 89 | = |
|
| 3. | 630 | + | 97 | = |
|
| 4. | 350 | + | 49 | = |
|
| 5. | 630 | + | 79 | = |
|
| 6. | 250 | + | 57 | = |
|
| 7. | 420 | + | 74 | = |
|
| 8. | 540 | + | 58 | = |
|
| 9. | 160 | + | 72 | = |
|
| 10. | 290 | + | 54 | = |
|