Met tientallen over het honderdtal
Erbijsommen
| Oefening 1 | |||||
| 1. | 460 | + | 50 | = |
|
| 2. | 220 | + | 80 | = |
|
| 3. | 960 | + | 40 | = |
|
| 4. | 440 | + | 90 | = |
|
| 5. | 890 | + | 30 | = |
|
| 6. | 960 | + | 30 | = |
|
| 7. | 310 | + | 80 | = |
|
| 8. | 620 | + | 90 | = |
|
| 9. | 350 | + | 90 | = |
|
| 10. | 280 | + | 90 | = |
|
| Oefening 2 | |||||
| 1. | 150 | + | 90 | = |
|
| 2. | 830 | + | 60 | = |
|
| 3. | 280 | + | 50 | = |
|
| 4. | 590 | + | 60 | = |
|
| 5. | 520 | + | 80 | = |
|
| 6. | 110 | + | 80 | = |
|
| 7. | 280 | + | 70 | = |
|
| 8. | 690 | + | 60 | = |
|
| 9. | 230 | + | 70 | = |
|
| 10. | 780 | + | 20 | = |
|
| Oefening 3 | |||||
| 1. | 490 | + | 60 | = |
|
| 2. | 710 | + | 80 | = |
|
| 3. | 370 | + | 60 | = |
|
| 4. | 630 | + | 70 | = |
|
| 5. | 720 | + | 70 | = |
|
| 6. | 120 | + | 90 | = |
|
| 7. | 110 | + | 90 | = |
|
| 8. | 970 | + | 70 | = |
|
| 9. | 930 | + | 60 | = |
|
| 10. | 880 | + | 60 | = |
|
| Oefening 4 | |||||
| 1. | 570 | + | 20 | = |
|
| 2. | 820 | + | 70 | = |
|
| 3. | 830 | + | 60 | = |
|
| 4. | 930 | + | 90 | = |
|
| 5. | 680 | + | 20 | = |
|
| 6. | 920 | + | 90 | = |
|
| 7. | 950 | + | 50 | = |
|
| 8. | 960 | + | 60 | = |
|
| 9. | 580 | + | 10 | = |
|
| 10. | 980 | + | 30 | = |
|