Met tientallen over het honderdtal
Erbijsommen
| Oefening 1 | |||||
| 1. | 330 | + | 90 | = |
|
| 2. | 750 | + | 50 | = |
|
| 3. | 770 | + | 80 | = |
|
| 4. | 870 | + | 80 | = |
|
| 5. | 990 | + | 20 | = |
|
| 6. | 380 | + | 80 | = |
|
| 7. | 780 | + | 60 | = |
|
| 8. | 560 | + | 30 | = |
|
| 9. | 280 | + | 50 | = |
|
| 10. | 250 | + | 50 | = |
|
| Oefening 2 | |||||
| 1. | 720 | + | 90 | = |
|
| 2. | 460 | + | 30 | = |
|
| 3. | 540 | + | 80 | = |
|
| 4. | 130 | + | 90 | = |
|
| 5. | 980 | + | 70 | = |
|
| 6. | 860 | + | 60 | = |
|
| 7. | 950 | + | 40 | = |
|
| 8. | 190 | + | 0 | = |
|
| 9. | 210 | + | 90 | = |
|
| 10. | 450 | + | 40 | = |
|
| Oefening 3 | |||||
| 1. | 380 | + | 80 | = |
|
| 2. | 670 | + | 80 | = |
|
| 3. | 290 | + | 90 | = |
|
| 4. | 630 | + | 90 | = |
|
| 5. | 580 | + | 30 | = |
|
| 6. | 850 | + | 50 | = |
|
| 7. | 130 | + | 60 | = |
|
| 8. | 550 | + | 70 | = |
|
| 9. | 870 | + | 50 | = |
|
| 10. | 330 | + | 80 | = |
|
| Oefening 4 | |||||
| 1. | 930 | + | 80 | = |
|
| 2. | 360 | + | 30 | = |
|
| 3. | 260 | + | 30 | = |
|
| 4. | 620 | + | 70 | = |
|
| 5. | 430 | + | 90 | = |
|
| 6. | 740 | + | 80 | = |
|
| 7. | 770 | + | 70 | = |
|
| 8. | 320 | + | 80 | = |
|
| 9. | 250 | + | 80 | = |
|
| 10. | 950 | + | 70 | = |
|