Met tientallen over het honderdtal
Erbijsommen
| Oefening 1 | |||||
| 1. | 340 | + | 90 | = |
|
| 2. | 960 | + | 60 | = |
|
| 3. | 850 | + | 60 | = |
|
| 4. | 170 | + | 60 | = |
|
| 5. | 870 | + | 70 | = |
|
| 6. | 920 | + | 80 | = |
|
| 7. | 950 | + | 70 | = |
|
| 8. | 170 | + | 40 | = |
|
| 9. | 280 | + | 20 | = |
|
| 10. | 270 | + | 90 | = |
|
| Oefening 2 | |||||
| 1. | 650 | + | 50 | = |
|
| 2. | 790 | + | 80 | = |
|
| 3. | 130 | + | 90 | = |
|
| 4. | 810 | + | 90 | = |
|
| 5. | 420 | + | 90 | = |
|
| 6. | 210 | + | 90 | = |
|
| 7. | 310 | + | 90 | = |
|
| 8. | 340 | + | 70 | = |
|
| 9. | 890 | + | 30 | = |
|
| 10. | 590 | + | 90 | = |
|
| Oefening 3 | |||||
| 1. | 790 | + | 80 | = |
|
| 2. | 970 | + | 30 | = |
|
| 3. | 920 | + | 80 | = |
|
| 4. | 420 | + | 70 | = |
|
| 5. | 970 | + | 30 | = |
|
| 6. | 890 | + | 50 | = |
|
| 7. | 760 | + | 80 | = |
|
| 8. | 120 | + | 80 | = |
|
| 9. | 840 | + | 70 | = |
|
| 10. | 890 | + | 30 | = |
|
| Oefening 4 | |||||
| 1. | 740 | + | 50 | = |
|
| 2. | 540 | + | 90 | = |
|
| 3. | 620 | + | 90 | = |
|
| 4. | 260 | + | 30 | = |
|
| 5. | 230 | + | 90 | = |
|
| 6. | 640 | + | 50 | = |
|
| 7. | 480 | + | 10 | = |
|
| 8. | 590 | + | 0 | = |
|
| 9. | 710 | + | 90 | = |
|
| 10. | 620 | + | 70 | = |
|