Met tientallen over het honderdtal
Erbijsommen
| Oefening 1 | |||||
| 1. | 250 | + | 70 | = |
|
| 2. | 820 | + | 90 | = |
|
| 3. | 750 | + | 60 | = |
|
| 4. | 980 | + | 80 | = |
|
| 5. | 350 | + | 60 | = |
|
| 6. | 740 | + | 60 | = |
|
| 7. | 740 | + | 60 | = |
|
| 8. | 670 | + | 40 | = |
|
| 9. | 320 | + | 80 | = |
|
| 10. | 380 | + | 90 | = |
|
| Oefening 2 | |||||
| 1. | 320 | + | 70 | = |
|
| 2. | 720 | + | 90 | = |
|
| 3. | 520 | + | 80 | = |
|
| 4. | 270 | + | 90 | = |
|
| 5. | 550 | + | 50 | = |
|
| 6. | 720 | + | 90 | = |
|
| 7. | 650 | + | 70 | = |
|
| 8. | 310 | + | 80 | = |
|
| 9. | 110 | + | 80 | = |
|
| 10. | 680 | + | 40 | = |
|
| Oefening 3 | |||||
| 1. | 630 | + | 80 | = |
|
| 2. | 530 | + | 60 | = |
|
| 3. | 580 | + | 40 | = |
|
| 4. | 370 | + | 40 | = |
|
| 5. | 450 | + | 60 | = |
|
| 6. | 110 | + | 90 | = |
|
| 7. | 610 | + | 90 | = |
|
| 8. | 880 | + | 10 | = |
|
| 9. | 390 | + | 20 | = |
|
| 10. | 210 | + | 90 | = |
|
| Oefening 4 | |||||
| 1. | 820 | + | 70 | = |
|
| 2. | 940 | + | 90 | = |
|
| 3. | 730 | + | 60 | = |
|
| 4. | 810 | + | 90 | = |
|
| 5. | 920 | + | 90 | = |
|
| 6. | 430 | + | 60 | = |
|
| 7. | 180 | + | 20 | = |
|
| 8. | 990 | + | 40 | = |
|
| 9. | 580 | + | 50 | = |
|
| 10. | 490 | + | 20 | = |
|