Met tientallen over het honderdtal
Erbijsommen
| Oefening 1 | |||||
| 1. | 930 | + | 80 | = |
|
| 2. | 480 | + | 70 | = |
|
| 3. | 790 | + | 10 | = |
|
| 4. | 680 | + | 30 | = |
|
| 5. | 250 | + | 40 | = |
|
| 6. | 960 | + | 30 | = |
|
| 7. | 790 | + | 60 | = |
|
| 8. | 930 | + | 80 | = |
|
| 9. | 470 | + | 20 | = |
|
| 10. | 630 | + | 90 | = |
|
| Oefening 2 | |||||
| 1. | 750 | + | 50 | = |
|
| 2. | 560 | + | 60 | = |
|
| 3. | 660 | + | 80 | = |
|
| 4. | 210 | + | 80 | = |
|
| 5. | 920 | + | 80 | = |
|
| 6. | 320 | + | 80 | = |
|
| 7. | 450 | + | 90 | = |
|
| 8. | 580 | + | 70 | = |
|
| 9. | 390 | + | 90 | = |
|
| 10. | 390 | + | 10 | = |
|
| Oefening 3 | |||||
| 1. | 510 | + | 90 | = |
|
| 2. | 620 | + | 80 | = |
|
| 3. | 470 | + | 80 | = |
|
| 4. | 210 | + | 80 | = |
|
| 5. | 710 | + | 90 | = |
|
| 6. | 660 | + | 90 | = |
|
| 7. | 130 | + | 90 | = |
|
| 8. | 910 | + | 80 | = |
|
| 9. | 330 | + | 90 | = |
|
| 10. | 980 | + | 20 | = |
|
| Oefening 4 | |||||
| 1. | 560 | + | 40 | = |
|
| 2. | 610 | + | 80 | = |
|
| 3. | 760 | + | 50 | = |
|
| 4. | 490 | + | 60 | = |
|
| 5. | 770 | + | 20 | = |
|
| 6. | 740 | + | 50 | = |
|
| 7. | 270 | + | 60 | = |
|
| 8. | 130 | + | 80 | = |
|
| 9. | 410 | + | 80 | = |
|
| 10. | 110 | + | 90 | = |
|