Met tientallen over het honderdtal
Erbijsommen
| Oefening 1 | |||||
| 1. | 710 | + | 90 | = |
|
| 2. | 770 | + | 70 | = |
|
| 3. | 110 | + | 90 | = |
|
| 4. | 240 | + | 80 | = |
|
| 5. | 440 | + | 70 | = |
|
| 6. | 810 | + | 90 | = |
|
| 7. | 930 | + | 90 | = |
|
| 8. | 330 | + | 80 | = |
|
| 9. | 740 | + | 70 | = |
|
| 10. | 840 | + | 80 | = |
|
| Oefening 2 | |||||
| 1. | 910 | + | 90 | = |
|
| 2. | 390 | + | 40 | = |
|
| 3. | 960 | + | 40 | = |
|
| 4. | 370 | + | 20 | = |
|
| 5. | 460 | + | 50 | = |
|
| 6. | 240 | + | 80 | = |
|
| 7. | 430 | + | 90 | = |
|
| 8. | 640 | + | 80 | = |
|
| 9. | 570 | + | 30 | = |
|
| 10. | 460 | + | 80 | = |
|
| Oefening 3 | |||||
| 1. | 760 | + | 30 | = |
|
| 2. | 460 | + | 50 | = |
|
| 3. | 730 | + | 90 | = |
|
| 4. | 680 | + | 20 | = |
|
| 5. | 550 | + | 40 | = |
|
| 6. | 380 | + | 40 | = |
|
| 7. | 410 | + | 80 | = |
|
| 8. | 220 | + | 80 | = |
|
| 9. | 130 | + | 90 | = |
|
| 10. | 720 | + | 70 | = |
|
| Oefening 4 | |||||
| 1. | 890 | + | 60 | = |
|
| 2. | 350 | + | 90 | = |
|
| 3. | 830 | + | 60 | = |
|
| 4. | 550 | + | 40 | = |
|
| 5. | 550 | + | 60 | = |
|
| 6. | 180 | + | 20 | = |
|
| 7. | 480 | + | 90 | = |
|
| 8. | 590 | + | 40 | = |
|
| 9. | 680 | + | 50 | = |
|
| 10. | 130 | + | 80 | = |
|