Met tientallen over het honderdtal
Optellen
| Oefening 1 | |||||
| 1. | 890 | + | 40 | = |
|
| 2. | 530 | + | 70 | = |
|
| 3. | 270 | + | 60 | = |
|
| 4. | 340 | + | 70 | = |
|
| 5. | 750 | + | 70 | = |
|
| 6. | 390 | + | 20 | = |
|
| 7. | 820 | + | 80 | = |
|
| 8. | 410 | + | 80 | = |
|
| 9. | 610 | + | 80 | = |
|
| 10. | 980 | + | 30 | = |
|
| Oefening 2 | |||||
| 1. | 350 | + | 40 | = |
|
| 2. | 450 | + | 60 | = |
|
| 3. | 540 | + | 90 | = |
|
| 4. | 660 | + | 80 | = |
|
| 5. | 380 | + | 90 | = |
|
| 6. | 180 | + | 20 | = |
|
| 7. | 580 | + | 20 | = |
|
| 8. | 750 | + | 90 | = |
|
| 9. | 150 | + | 40 | = |
|
| 10. | 980 | + | 20 | = |
|
| Oefening 3 | |||||
| 1. | 290 | + | 80 | = |
|
| 2. | 110 | + | 90 | = |
|
| 3. | 990 | + | 0 | = |
|
| 4. | 220 | + | 90 | = |
|
| 5. | 690 | + | 60 | = |
|
| 6. | 350 | + | 90 | = |
|
| 7. | 510 | + | 90 | = |
|
| 8. | 170 | + | 90 | = |
|
| 9. | 190 | + | 50 | = |
|
| 10. | 130 | + | 80 | = |
|
| Oefening 4 | |||||
| 1. | 630 | + | 70 | = |
|
| 2. | 870 | + | 80 | = |
|
| 3. | 620 | + | 80 | = |
|
| 4. | 910 | + | 80 | = |
|
| 5. | 930 | + | 70 | = |
|
| 6. | 990 | + | 30 | = |
|
| 7. | 820 | + | 70 | = |
|
| 8. | 330 | + | 90 | = |
|
| 9. | 650 | + | 70 | = |
|
| 10. | 290 | + | 90 | = |
|