Met tientallen over het honderdtal
Erbijsommen
| Oefening 1 | |||||
| 1. | 850 | + | 40 | = |
|
| 2. | 450 | + | 70 | = |
|
| 3. | 990 | + | 40 | = |
|
| 4. | 770 | + | 50 | = |
|
| 5. | 590 | + | 90 | = |
|
| 6. | 330 | + | 60 | = |
|
| 7. | 320 | + | 80 | = |
|
| 8. | 160 | + | 80 | = |
|
| 9. | 180 | + | 20 | = |
|
| 10. | 920 | + | 90 | = |
|
| Oefening 2 | |||||
| 1. | 120 | + | 80 | = |
|
| 2. | 540 | + | 50 | = |
|
| 3. | 130 | + | 70 | = |
|
| 4. | 360 | + | 40 | = |
|
| 5. | 360 | + | 30 | = |
|
| 6. | 240 | + | 90 | = |
|
| 7. | 470 | + | 70 | = |
|
| 8. | 440 | + | 60 | = |
|
| 9. | 980 | + | 40 | = |
|
| 10. | 890 | + | 0 | = |
|
| Oefening 3 | |||||
| 1. | 780 | + | 60 | = |
|
| 2. | 130 | + | 90 | = |
|
| 3. | 780 | + | 10 | = |
|
| 4. | 940 | + | 50 | = |
|
| 5. | 330 | + | 80 | = |
|
| 6. | 280 | + | 40 | = |
|
| 7. | 670 | + | 50 | = |
|
| 8. | 790 | + | 30 | = |
|
| 9. | 170 | + | 80 | = |
|
| 10. | 560 | + | 60 | = |
|
| Oefening 4 | |||||
| 1. | 170 | + | 40 | = |
|
| 2. | 860 | + | 40 | = |
|
| 3. | 370 | + | 20 | = |
|
| 4. | 310 | + | 90 | = |
|
| 5. | 630 | + | 60 | = |
|
| 6. | 430 | + | 80 | = |
|
| 7. | 380 | + | 10 | = |
|
| 8. | 170 | + | 90 | = |
|
| 9. | 350 | + | 80 | = |
|
| 10. | 150 | + | 60 | = |
|