Met tientallen over het honderdtal
Erbijsommen
| Oefening 1 | |||||
| 1. | 440 | + | 60 | = |
|
| 2. | 130 | + | 70 | = |
|
| 3. | 360 | + | 60 | = |
|
| 4. | 610 | + | 80 | = |
|
| 5. | 230 | + | 90 | = |
|
| 6. | 260 | + | 80 | = |
|
| 7. | 640 | + | 90 | = |
|
| 8. | 440 | + | 50 | = |
|
| 9. | 530 | + | 90 | = |
|
| 10. | 190 | + | 0 | = |
|
| Oefening 2 | |||||
| 1. | 650 | + | 60 | = |
|
| 2. | 380 | + | 20 | = |
|
| 3. | 130 | + | 80 | = |
|
| 4. | 960 | + | 60 | = |
|
| 5. | 570 | + | 70 | = |
|
| 6. | 160 | + | 30 | = |
|
| 7. | 710 | + | 80 | = |
|
| 8. | 990 | + | 10 | = |
|
| 9. | 370 | + | 80 | = |
|
| 10. | 390 | + | 80 | = |
|
| Oefening 3 | |||||
| 1. | 610 | + | 80 | = |
|
| 2. | 710 | + | 80 | = |
|
| 3. | 890 | + | 50 | = |
|
| 4. | 220 | + | 90 | = |
|
| 5. | 790 | + | 0 | = |
|
| 6. | 490 | + | 30 | = |
|
| 7. | 490 | + | 40 | = |
|
| 8. | 380 | + | 90 | = |
|
| 9. | 250 | + | 80 | = |
|
| 10. | 680 | + | 60 | = |
|
| Oefening 4 | |||||
| 1. | 390 | + | 80 | = |
|
| 2. | 560 | + | 30 | = |
|
| 3. | 410 | + | 80 | = |
|
| 4. | 640 | + | 80 | = |
|
| 5. | 640 | + | 90 | = |
|
| 6. | 790 | + | 60 | = |
|
| 7. | 180 | + | 30 | = |
|
| 8. | 320 | + | 80 | = |
|
| 9. | 250 | + | 80 | = |
|
| 10. | 390 | + | 20 | = |
|