Met tientallen over het honderdtal
Erbijsommen
| Oefening 1 | |||||
| 1. | 430 | + | 60 | = |
|
| 2. | 320 | + | 90 | = |
|
| 3. | 170 | + | 70 | = |
|
| 4. | 240 | + | 60 | = |
|
| 5. | 810 | + | 90 | = |
|
| 6. | 660 | + | 50 | = |
|
| 7. | 780 | + | 60 | = |
|
| 8. | 310 | + | 90 | = |
|
| 9. | 790 | + | 80 | = |
|
| 10. | 350 | + | 40 | = |
|
| Oefening 2 | |||||
| 1. | 510 | + | 80 | = |
|
| 2. | 590 | + | 50 | = |
|
| 3. | 780 | + | 50 | = |
|
| 4. | 170 | + | 60 | = |
|
| 5. | 980 | + | 10 | = |
|
| 6. | 130 | + | 80 | = |
|
| 7. | 730 | + | 60 | = |
|
| 8. | 220 | + | 90 | = |
|
| 9. | 210 | + | 80 | = |
|
| 10. | 760 | + | 50 | = |
|
| Oefening 3 | |||||
| 1. | 840 | + | 60 | = |
|
| 2. | 310 | + | 90 | = |
|
| 3. | 250 | + | 90 | = |
|
| 4. | 780 | + | 70 | = |
|
| 5. | 780 | + | 70 | = |
|
| 6. | 190 | + | 40 | = |
|
| 7. | 790 | + | 70 | = |
|
| 8. | 420 | + | 80 | = |
|
| 9. | 260 | + | 90 | = |
|
| 10. | 490 | + | 80 | = |
|
| Oefening 4 | |||||
| 1. | 620 | + | 80 | = |
|
| 2. | 450 | + | 40 | = |
|
| 3. | 880 | + | 30 | = |
|
| 4. | 940 | + | 80 | = |
|
| 5. | 450 | + | 50 | = |
|
| 6. | 460 | + | 90 | = |
|
| 7. | 660 | + | 70 | = |
|
| 8. | 160 | + | 50 | = |
|
| 9. | 570 | + | 80 | = |
|
| 10. | 810 | + | 90 | = |
|