Met tientallen over het honderdtal
Erbijsommen
| Oefening 1 | |||||
| 1. | 340 | + | 60 | = |
|
| 2. | 940 | + | 70 | = |
|
| 3. | 280 | + | 40 | = |
|
| 4. | 190 | + | 10 | = |
|
| 5. | 270 | + | 40 | = |
|
| 6. | 330 | + | 70 | = |
|
| 7. | 670 | + | 50 | = |
|
| 8. | 250 | + | 50 | = |
|
| 9. | 620 | + | 80 | = |
|
| 10. | 930 | + | 70 | = |
|
| Oefening 2 | |||||
| 1. | 960 | + | 50 | = |
|
| 2. | 970 | + | 90 | = |
|
| 3. | 130 | + | 70 | = |
|
| 4. | 830 | + | 90 | = |
|
| 5. | 530 | + | 60 | = |
|
| 6. | 160 | + | 70 | = |
|
| 7. | 770 | + | 50 | = |
|
| 8. | 280 | + | 90 | = |
|
| 9. | 170 | + | 70 | = |
|
| 10. | 160 | + | 50 | = |
|
| Oefening 3 | |||||
| 1. | 380 | + | 60 | = |
|
| 2. | 550 | + | 50 | = |
|
| 3. | 250 | + | 90 | = |
|
| 4. | 160 | + | 40 | = |
|
| 5. | 280 | + | 10 | = |
|
| 6. | 650 | + | 50 | = |
|
| 7. | 490 | + | 70 | = |
|
| 8. | 910 | + | 80 | = |
|
| 9. | 960 | + | 40 | = |
|
| 10. | 950 | + | 90 | = |
|
| Oefening 4 | |||||
| 1. | 290 | + | 70 | = |
|
| 2. | 750 | + | 60 | = |
|
| 3. | 930 | + | 90 | = |
|
| 4. | 120 | + | 80 | = |
|
| 5. | 420 | + | 70 | = |
|
| 6. | 750 | + | 90 | = |
|
| 7. | 520 | + | 80 | = |
|
| 8. | 590 | + | 70 | = |
|
| 9. | 740 | + | 90 | = |
|
| 10. | 840 | + | 60 | = |
|