Met tientallen over het honderdtal
Erbijsommen
| Oefening 1 | |||||
| 1. | 950 | + | 40 | = |
|
| 2. | 510 | + | 90 | = |
|
| 3. | 760 | + | 30 | = |
|
| 4. | 950 | + | 60 | = |
|
| 5. | 760 | + | 80 | = |
|
| 6. | 230 | + | 80 | = |
|
| 7. | 820 | + | 80 | = |
|
| 8. | 950 | + | 80 | = |
|
| 9. | 490 | + | 50 | = |
|
| 10. | 470 | + | 20 | = |
|
| Oefening 2 | |||||
| 1. | 850 | + | 80 | = |
|
| 2. | 190 | + | 60 | = |
|
| 3. | 790 | + | 20 | = |
|
| 4. | 780 | + | 20 | = |
|
| 5. | 350 | + | 50 | = |
|
| 6. | 830 | + | 70 | = |
|
| 7. | 590 | + | 20 | = |
|
| 8. | 890 | + | 70 | = |
|
| 9. | 890 | + | 0 | = |
|
| 10. | 950 | + | 90 | = |
|
| Oefening 3 | |||||
| 1. | 210 | + | 80 | = |
|
| 2. | 690 | + | 70 | = |
|
| 3. | 380 | + | 50 | = |
|
| 4. | 840 | + | 60 | = |
|
| 5. | 760 | + | 90 | = |
|
| 6. | 910 | + | 90 | = |
|
| 7. | 970 | + | 60 | = |
|
| 8. | 450 | + | 50 | = |
|
| 9. | 670 | + | 30 | = |
|
| 10. | 140 | + | 80 | = |
|
| Oefening 4 | |||||
| 1. | 520 | + | 80 | = |
|
| 2. | 980 | + | 70 | = |
|
| 3. | 390 | + | 0 | = |
|
| 4. | 930 | + | 80 | = |
|
| 5. | 790 | + | 90 | = |
|
| 6. | 110 | + | 80 | = |
|
| 7. | 250 | + | 60 | = |
|
| 8. | 240 | + | 50 | = |
|
| 9. | 240 | + | 90 | = |
|
| 10. | 260 | + | 50 | = |
|