Met tientallen over het honderdtal
Erbijsommen
| Oefening 1 | |||||
| 1. | 880 | + | 30 | = |
|
| 2. | 210 | + | 80 | = |
|
| 3. | 420 | + | 80 | = |
|
| 4. | 670 | + | 70 | = |
|
| 5. | 170 | + | 50 | = |
|
| 6. | 440 | + | 80 | = |
|
| 7. | 790 | + | 70 | = |
|
| 8. | 910 | + | 90 | = |
|
| 9. | 340 | + | 90 | = |
|
| 10. | 220 | + | 90 | = |
|
| Oefening 2 | |||||
| 1. | 290 | + | 30 | = |
|
| 2. | 260 | + | 30 | = |
|
| 3. | 420 | + | 80 | = |
|
| 4. | 360 | + | 30 | = |
|
| 5. | 930 | + | 90 | = |
|
| 6. | 690 | + | 80 | = |
|
| 7. | 940 | + | 60 | = |
|
| 8. | 350 | + | 40 | = |
|
| 9. | 960 | + | 40 | = |
|
| 10. | 430 | + | 90 | = |
|
| Oefening 3 | |||||
| 1. | 190 | + | 90 | = |
|
| 2. | 830 | + | 80 | = |
|
| 3. | 450 | + | 70 | = |
|
| 4. | 720 | + | 90 | = |
|
| 5. | 420 | + | 80 | = |
|
| 6. | 680 | + | 90 | = |
|
| 7. | 220 | + | 70 | = |
|
| 8. | 740 | + | 50 | = |
|
| 9. | 650 | + | 60 | = |
|
| 10. | 940 | + | 60 | = |
|
| Oefening 4 | |||||
| 1. | 450 | + | 90 | = |
|
| 2. | 760 | + | 30 | = |
|
| 3. | 260 | + | 40 | = |
|
| 4. | 290 | + | 0 | = |
|
| 5. | 280 | + | 60 | = |
|
| 6. | 840 | + | 70 | = |
|
| 7. | 710 | + | 80 | = |
|
| 8. | 490 | + | 70 | = |
|
| 9. | 880 | + | 10 | = |
|
| 10. | 470 | + | 20 | = |
|