Met tientallen over het honderdtal
Erbijsommen
| Oefening 1 | |||||
| 1. | 720 | + | 80 | = |
|
| 2. | 860 | + | 90 | = |
|
| 3. | 810 | + | 80 | = |
|
| 4. | 710 | + | 90 | = |
|
| 5. | 450 | + | 60 | = |
|
| 6. | 420 | + | 70 | = |
|
| 7. | 350 | + | 40 | = |
|
| 8. | 490 | + | 40 | = |
|
| 9. | 760 | + | 80 | = |
|
| 10. | 190 | + | 40 | = |
|
| Oefening 2 | |||||
| 1. | 560 | + | 80 | = |
|
| 2. | 230 | + | 60 | = |
|
| 3. | 120 | + | 90 | = |
|
| 4. | 140 | + | 50 | = |
|
| 5. | 210 | + | 90 | = |
|
| 6. | 910 | + | 80 | = |
|
| 7. | 780 | + | 80 | = |
|
| 8. | 890 | + | 0 | = |
|
| 9. | 130 | + | 60 | = |
|
| 10. | 110 | + | 90 | = |
|
| Oefening 3 | |||||
| 1. | 590 | + | 70 | = |
|
| 2. | 930 | + | 90 | = |
|
| 3. | 590 | + | 10 | = |
|
| 4. | 860 | + | 60 | = |
|
| 5. | 880 | + | 10 | = |
|
| 6. | 160 | + | 30 | = |
|
| 7. | 710 | + | 80 | = |
|
| 8. | 950 | + | 50 | = |
|
| 9. | 850 | + | 90 | = |
|
| 10. | 170 | + | 30 | = |
|
| Oefening 4 | |||||
| 1. | 620 | + | 80 | = |
|
| 2. | 510 | + | 90 | = |
|
| 3. | 440 | + | 70 | = |
|
| 4. | 580 | + | 10 | = |
|
| 5. | 220 | + | 80 | = |
|
| 6. | 650 | + | 90 | = |
|
| 7. | 420 | + | 80 | = |
|
| 8. | 620 | + | 90 | = |
|
| 9. | 770 | + | 40 | = |
|
| 10. | 270 | + | 50 | = |
|