Met tientallen over het honderdtal
Erbijsommen
| Oefening 1 | |||||
| 1. | 780 | + | 30 | = |
|
| 2. | 470 | + | 40 | = |
|
| 3. | 690 | + | 90 | = |
|
| 4. | 570 | + | 40 | = |
|
| 5. | 640 | + | 70 | = |
|
| 6. | 320 | + | 70 | = |
|
| 7. | 440 | + | 70 | = |
|
| 8. | 790 | + | 0 | = |
|
| 9. | 670 | + | 60 | = |
|
| 10. | 330 | + | 90 | = |
|
| Oefening 2 | |||||
| 1. | 420 | + | 70 | = |
|
| 2. | 360 | + | 60 | = |
|
| 3. | 560 | + | 70 | = |
|
| 4. | 710 | + | 80 | = |
|
| 5. | 230 | + | 60 | = |
|
| 6. | 930 | + | 70 | = |
|
| 7. | 270 | + | 30 | = |
|
| 8. | 630 | + | 90 | = |
|
| 9. | 860 | + | 90 | = |
|
| 10. | 370 | + | 60 | = |
|
| Oefening 3 | |||||
| 1. | 690 | + | 50 | = |
|
| 2. | 380 | + | 30 | = |
|
| 3. | 240 | + | 50 | = |
|
| 4. | 530 | + | 90 | = |
|
| 5. | 490 | + | 50 | = |
|
| 6. | 160 | + | 90 | = |
|
| 7. | 120 | + | 90 | = |
|
| 8. | 740 | + | 90 | = |
|
| 9. | 270 | + | 30 | = |
|
| 10. | 230 | + | 60 | = |
|
| Oefening 4 | |||||
| 1. | 490 | + | 60 | = |
|
| 2. | 110 | + | 80 | = |
|
| 3. | 940 | + | 50 | = |
|
| 4. | 910 | + | 80 | = |
|
| 5. | 860 | + | 50 | = |
|
| 6. | 550 | + | 50 | = |
|
| 7. | 940 | + | 80 | = |
|
| 8. | 830 | + | 60 | = |
|
| 9. | 850 | + | 80 | = |
|
| 10. | 940 | + | 60 | = |
|