Met tientallen over het honderdtal
Optellen
| Oefening 1 | |||||
| 1. | 630 | + | 60 | = |
|
| 2. | 840 | + | 90 | = |
|
| 3. | 990 | + | 60 | = |
|
| 4. | 290 | + | 20 | = |
|
| 5. | 670 | + | 30 | = |
|
| 6. | 340 | + | 70 | = |
|
| 7. | 260 | + | 60 | = |
|
| 8. | 650 | + | 80 | = |
|
| 9. | 980 | + | 60 | = |
|
| 10. | 230 | + | 90 | = |
|
| Oefening 2 | |||||
| 1. | 460 | + | 90 | = |
|
| 2. | 930 | + | 90 | = |
|
| 3. | 440 | + | 50 | = |
|
| 4. | 320 | + | 80 | = |
|
| 5. | 590 | + | 10 | = |
|
| 6. | 410 | + | 90 | = |
|
| 7. | 410 | + | 90 | = |
|
| 8. | 740 | + | 50 | = |
|
| 9. | 270 | + | 60 | = |
|
| 10. | 350 | + | 70 | = |
|
| Oefening 3 | |||||
| 1. | 230 | + | 90 | = |
|
| 2. | 110 | + | 90 | = |
|
| 3. | 890 | + | 70 | = |
|
| 4. | 520 | + | 90 | = |
|
| 5. | 840 | + | 80 | = |
|
| 6. | 580 | + | 40 | = |
|
| 7. | 470 | + | 20 | = |
|
| 8. | 830 | + | 90 | = |
|
| 9. | 350 | + | 80 | = |
|
| 10. | 980 | + | 10 | = |
|
| Oefening 4 | |||||
| 1. | 860 | + | 80 | = |
|
| 2. | 330 | + | 70 | = |
|
| 3. | 210 | + | 80 | = |
|
| 4. | 790 | + | 10 | = |
|
| 5. | 990 | + | 30 | = |
|
| 6. | 820 | + | 80 | = |
|
| 7. | 920 | + | 80 | = |
|
| 8. | 490 | + | 60 | = |
|
| 9. | 240 | + | 60 | = |
|
| 10. | 220 | + | 90 | = |
|