Met tientallen over het honderdtal
Optellen
| Oefening 1 | |||||
| 1. | 940 | + | 80 | = |
|
| 2. | 450 | + | 70 | = |
|
| 3. | 670 | + | 70 | = |
|
| 4. | 930 | + | 70 | = |
|
| 5. | 580 | + | 40 | = |
|
| 6. | 370 | + | 80 | = |
|
| 7. | 370 | + | 60 | = |
|
| 8. | 590 | + | 80 | = |
|
| 9. | 590 | + | 0 | = |
|
| 10. | 650 | + | 70 | = |
|
| Oefening 2 | |||||
| 1. | 140 | + | 70 | = |
|
| 2. | 460 | + | 30 | = |
|
| 3. | 560 | + | 60 | = |
|
| 4. | 550 | + | 40 | = |
|
| 5. | 560 | + | 70 | = |
|
| 6. | 550 | + | 60 | = |
|
| 7. | 510 | + | 90 | = |
|
| 8. | 210 | + | 80 | = |
|
| 9. | 810 | + | 90 | = |
|
| 10. | 880 | + | 10 | = |
|
| Oefening 3 | |||||
| 1. | 820 | + | 90 | = |
|
| 2. | 850 | + | 90 | = |
|
| 3. | 340 | + | 50 | = |
|
| 4. | 720 | + | 90 | = |
|
| 5. | 970 | + | 90 | = |
|
| 6. | 240 | + | 50 | = |
|
| 7. | 630 | + | 90 | = |
|
| 8. | 580 | + | 50 | = |
|
| 9. | 760 | + | 90 | = |
|
| 10. | 270 | + | 70 | = |
|
| Oefening 4 | |||||
| 1. | 780 | + | 30 | = |
|
| 2. | 610 | + | 80 | = |
|
| 3. | 370 | + | 20 | = |
|
| 4. | 340 | + | 50 | = |
|
| 5. | 340 | + | 90 | = |
|
| 6. | 810 | + | 90 | = |
|
| 7. | 820 | + | 70 | = |
|
| 8. | 930 | + | 70 | = |
|
| 9. | 540 | + | 50 | = |
|
| 10. | 120 | + | 80 | = |
|