Met tientallen over het honderdtal
Optellen
| Oefening 1 | |||||
| 1. | 190 | + | 80 | = |
|
| 2. | 170 | + | 50 | = |
|
| 3. | 920 | + | 80 | = |
|
| 4. | 690 | + | 20 | = |
|
| 5. | 360 | + | 80 | = |
|
| 6. | 410 | + | 90 | = |
|
| 7. | 950 | + | 80 | = |
|
| 8. | 820 | + | 90 | = |
|
| 9. | 130 | + | 60 | = |
|
| 10. | 870 | + | 90 | = |
|
| Oefening 2 | |||||
| 1. | 150 | + | 80 | = |
|
| 2. | 940 | + | 60 | = |
|
| 3. | 130 | + | 60 | = |
|
| 4. | 490 | + | 10 | = |
|
| 5. | 240 | + | 80 | = |
|
| 6. | 520 | + | 90 | = |
|
| 7. | 640 | + | 60 | = |
|
| 8. | 570 | + | 20 | = |
|
| 9. | 430 | + | 60 | = |
|
| 10. | 410 | + | 90 | = |
|
| Oefening 3 | |||||
| 1. | 210 | + | 90 | = |
|
| 2. | 810 | + | 80 | = |
|
| 3. | 120 | + | 90 | = |
|
| 4. | 610 | + | 80 | = |
|
| 5. | 970 | + | 30 | = |
|
| 6. | 810 | + | 90 | = |
|
| 7. | 410 | + | 90 | = |
|
| 8. | 380 | + | 90 | = |
|
| 9. | 830 | + | 80 | = |
|
| 10. | 140 | + | 90 | = |
|
| Oefening 4 | |||||
| 1. | 450 | + | 40 | = |
|
| 2. | 550 | + | 60 | = |
|
| 3. | 190 | + | 20 | = |
|
| 4. | 870 | + | 80 | = |
|
| 5. | 430 | + | 60 | = |
|
| 6. | 430 | + | 80 | = |
|
| 7. | 490 | + | 70 | = |
|
| 8. | 830 | + | 70 | = |
|
| 9. | 340 | + | 80 | = |
|
| 10. | 270 | + | 90 | = |
|