Met tientallen over het honderdtal
Erbijsommen
| Oefening 1 | |||||
| 1. | 620 | + | 70 | = |
|
| 2. | 550 | + | 40 | = |
|
| 3. | 240 | + | 90 | = |
|
| 4. | 620 | + | 70 | = |
|
| 5. | 580 | + | 80 | = |
|
| 6. | 270 | + | 20 | = |
|
| 7. | 580 | + | 20 | = |
|
| 8. | 260 | + | 70 | = |
|
| 9. | 630 | + | 90 | = |
|
| 10. | 770 | + | 80 | = |
|
| Oefening 2 | |||||
| 1. | 810 | + | 90 | = |
|
| 2. | 940 | + | 60 | = |
|
| 3. | 270 | + | 90 | = |
|
| 4. | 610 | + | 90 | = |
|
| 5. | 770 | + | 80 | = |
|
| 6. | 310 | + | 80 | = |
|
| 7. | 510 | + | 80 | = |
|
| 8. | 680 | + | 30 | = |
|
| 9. | 190 | + | 0 | = |
|
| 10. | 840 | + | 90 | = |
|
| Oefening 3 | |||||
| 1. | 750 | + | 70 | = |
|
| 2. | 890 | + | 10 | = |
|
| 3. | 950 | + | 80 | = |
|
| 4. | 270 | + | 90 | = |
|
| 5. | 570 | + | 20 | = |
|
| 6. | 880 | + | 40 | = |
|
| 7. | 560 | + | 60 | = |
|
| 8. | 810 | + | 90 | = |
|
| 9. | 520 | + | 70 | = |
|
| 10. | 490 | + | 40 | = |
|
| Oefening 4 | |||||
| 1. | 410 | + | 80 | = |
|
| 2. | 670 | + | 50 | = |
|
| 3. | 350 | + | 40 | = |
|
| 4. | 880 | + | 50 | = |
|
| 5. | 130 | + | 80 | = |
|
| 6. | 710 | + | 90 | = |
|
| 7. | 250 | + | 40 | = |
|
| 8. | 130 | + | 60 | = |
|
| 9. | 450 | + | 80 | = |
|
| 10. | 990 | + | 60 | = |
|