Met tientallen over het honderdtal
Erbijsommen
| Oefening 1 | |||||
| 1. | 550 | + | 70 | = |
|
| 2. | 860 | + | 60 | = |
|
| 3. | 180 | + | 20 | = |
|
| 4. | 720 | + | 90 | = |
|
| 5. | 390 | + | 30 | = |
|
| 6. | 360 | + | 50 | = |
|
| 7. | 770 | + | 60 | = |
|
| 8. | 590 | + | 30 | = |
|
| 9. | 180 | + | 70 | = |
|
| 10. | 170 | + | 30 | = |
|
| Oefening 2 | |||||
| 1. | 730 | + | 70 | = |
|
| 2. | 630 | + | 70 | = |
|
| 3. | 120 | + | 80 | = |
|
| 4. | 440 | + | 70 | = |
|
| 5. | 820 | + | 80 | = |
|
| 6. | 720 | + | 90 | = |
|
| 7. | 920 | + | 80 | = |
|
| 8. | 870 | + | 60 | = |
|
| 9. | 890 | + | 20 | = |
|
| 10. | 320 | + | 80 | = |
|
| Oefening 3 | |||||
| 1. | 940 | + | 90 | = |
|
| 2. | 490 | + | 70 | = |
|
| 3. | 830 | + | 90 | = |
|
| 4. | 160 | + | 30 | = |
|
| 5. | 280 | + | 90 | = |
|
| 6. | 370 | + | 40 | = |
|
| 7. | 970 | + | 80 | = |
|
| 8. | 480 | + | 30 | = |
|
| 9. | 950 | + | 90 | = |
|
| 10. | 640 | + | 70 | = |
|
| Oefening 4 | |||||
| 1. | 940 | + | 50 | = |
|
| 2. | 250 | + | 70 | = |
|
| 3. | 440 | + | 90 | = |
|
| 4. | 510 | + | 90 | = |
|
| 5. | 410 | + | 90 | = |
|
| 6. | 780 | + | 90 | = |
|
| 7. | 450 | + | 50 | = |
|
| 8. | 380 | + | 10 | = |
|
| 9. | 510 | + | 90 | = |
|
| 10. | 720 | + | 70 | = |
|