Met tientallen over het honderdtal
Erbijsommen
| Oefening 1 | |||||
| 1. | 780 | + | 30 | = |
|
| 2. | 120 | + | 70 | = |
|
| 3. | 580 | + | 90 | = |
|
| 4. | 810 | + | 80 | = |
|
| 5. | 130 | + | 60 | = |
|
| 6. | 980 | + | 90 | = |
|
| 7. | 350 | + | 40 | = |
|
| 8. | 220 | + | 70 | = |
|
| 9. | 970 | + | 20 | = |
|
| 10. | 820 | + | 90 | = |
|
| Oefening 2 | |||||
| 1. | 910 | + | 80 | = |
|
| 2. | 850 | + | 80 | = |
|
| 3. | 860 | + | 90 | = |
|
| 4. | 130 | + | 80 | = |
|
| 5. | 480 | + | 30 | = |
|
| 6. | 740 | + | 60 | = |
|
| 7. | 180 | + | 30 | = |
|
| 8. | 120 | + | 90 | = |
|
| 9. | 240 | + | 60 | = |
|
| 10. | 260 | + | 90 | = |
|
| Oefening 3 | |||||
| 1. | 660 | + | 90 | = |
|
| 2. | 770 | + | 30 | = |
|
| 3. | 570 | + | 30 | = |
|
| 4. | 540 | + | 60 | = |
|
| 5. | 130 | + | 70 | = |
|
| 6. | 680 | + | 90 | = |
|
| 7. | 170 | + | 60 | = |
|
| 8. | 490 | + | 20 | = |
|
| 9. | 850 | + | 80 | = |
|
| 10. | 360 | + | 30 | = |
|
| Oefening 4 | |||||
| 1. | 380 | + | 40 | = |
|
| 2. | 190 | + | 80 | = |
|
| 3. | 930 | + | 60 | = |
|
| 4. | 120 | + | 90 | = |
|
| 5. | 710 | + | 80 | = |
|
| 6. | 660 | + | 80 | = |
|
| 7. | 150 | + | 40 | = |
|
| 8. | 320 | + | 90 | = |
|
| 9. | 420 | + | 70 | = |
|
| 10. | 450 | + | 90 | = |
|