Met tientallen over het honderdtal
Optellen
| Oefening 1 | |||||
| 1. | 640 | + | 50 | = |
|
| 2. | 330 | + | 80 | = |
|
| 3. | 560 | + | 70 | = |
|
| 4. | 110 | + | 80 | = |
|
| 5. | 110 | + | 80 | = |
|
| 6. | 360 | + | 80 | = |
|
| 7. | 870 | + | 90 | = |
|
| 8. | 220 | + | 90 | = |
|
| 9. | 320 | + | 80 | = |
|
| 10. | 660 | + | 80 | = |
|
| Oefening 2 | |||||
| 1. | 190 | + | 70 | = |
|
| 2. | 690 | + | 80 | = |
|
| 3. | 240 | + | 90 | = |
|
| 4. | 910 | + | 80 | = |
|
| 5. | 840 | + | 60 | = |
|
| 6. | 950 | + | 60 | = |
|
| 7. | 410 | + | 80 | = |
|
| 8. | 570 | + | 60 | = |
|
| 9. | 530 | + | 80 | = |
|
| 10. | 910 | + | 80 | = |
|
| Oefening 3 | |||||
| 1. | 150 | + | 60 | = |
|
| 2. | 210 | + | 90 | = |
|
| 3. | 670 | + | 50 | = |
|
| 4. | 140 | + | 70 | = |
|
| 5. | 360 | + | 50 | = |
|
| 6. | 890 | + | 70 | = |
|
| 7. | 340 | + | 70 | = |
|
| 8. | 420 | + | 90 | = |
|
| 9. | 310 | + | 90 | = |
|
| 10. | 890 | + | 90 | = |
|
| Oefening 4 | |||||
| 1. | 490 | + | 0 | = |
|
| 2. | 970 | + | 50 | = |
|
| 3. | 980 | + | 40 | = |
|
| 4. | 190 | + | 30 | = |
|
| 5. | 630 | + | 90 | = |
|
| 6. | 890 | + | 20 | = |
|
| 7. | 630 | + | 80 | = |
|
| 8. | 140 | + | 50 | = |
|
| 9. | 240 | + | 70 | = |
|
| 10. | 750 | + | 80 | = |
|