Met tientallen over het honderdtal
Erbijsommen
| Oefening 1 | |||||
| 1. | 350 | + | 60 | = |
|
| 2. | 940 | + | 80 | = |
|
| 3. | 750 | + | 40 | = |
|
| 4. | 880 | + | 80 | = |
|
| 5. | 580 | + | 50 | = |
|
| 6. | 620 | + | 70 | = |
|
| 7. | 750 | + | 50 | = |
|
| 8. | 740 | + | 70 | = |
|
| 9. | 330 | + | 90 | = |
|
| 10. | 930 | + | 60 | = |
|
| Oefening 2 | |||||
| 1. | 260 | + | 60 | = |
|
| 2. | 560 | + | 50 | = |
|
| 3. | 370 | + | 30 | = |
|
| 4. | 390 | + | 20 | = |
|
| 5. | 560 | + | 80 | = |
|
| 6. | 920 | + | 80 | = |
|
| 7. | 340 | + | 80 | = |
|
| 8. | 220 | + | 70 | = |
|
| 9. | 910 | + | 80 | = |
|
| 10. | 930 | + | 60 | = |
|
| Oefening 3 | |||||
| 1. | 640 | + | 80 | = |
|
| 2. | 490 | + | 60 | = |
|
| 3. | 870 | + | 50 | = |
|
| 4. | 890 | + | 0 | = |
|
| 5. | 750 | + | 50 | = |
|
| 6. | 390 | + | 10 | = |
|
| 7. | 240 | + | 70 | = |
|
| 8. | 220 | + | 90 | = |
|
| 9. | 680 | + | 30 | = |
|
| 10. | 710 | + | 80 | = |
|
| Oefening 4 | |||||
| 1. | 410 | + | 90 | = |
|
| 2. | 470 | + | 60 | = |
|
| 3. | 710 | + | 90 | = |
|
| 4. | 530 | + | 80 | = |
|
| 5. | 950 | + | 60 | = |
|
| 6. | 880 | + | 30 | = |
|
| 7. | 470 | + | 80 | = |
|
| 8. | 680 | + | 60 | = |
|
| 9. | 880 | + | 30 | = |
|
| 10. | 830 | + | 60 | = |
|