Met tientallen over het honderdtal
Erbijsommen
| Oefening 1 | |||||
| 1. | 640 | + | 60 | = |
|
| 2. | 460 | + | 30 | = |
|
| 3. | 660 | + | 30 | = |
|
| 4. | 590 | + | 80 | = |
|
| 5. | 920 | + | 70 | = |
|
| 6. | 170 | + | 30 | = |
|
| 7. | 460 | + | 90 | = |
|
| 8. | 770 | + | 80 | = |
|
| 9. | 180 | + | 70 | = |
|
| 10. | 270 | + | 50 | = |
|
| Oefening 2 | |||||
| 1. | 490 | + | 10 | = |
|
| 2. | 740 | + | 70 | = |
|
| 3. | 250 | + | 90 | = |
|
| 4. | 640 | + | 80 | = |
|
| 5. | 970 | + | 20 | = |
|
| 6. | 940 | + | 70 | = |
|
| 7. | 650 | + | 80 | = |
|
| 8. | 340 | + | 60 | = |
|
| 9. | 910 | + | 90 | = |
|
| 10. | 920 | + | 90 | = |
|
| Oefening 3 | |||||
| 1. | 720 | + | 80 | = |
|
| 2. | 730 | + | 70 | = |
|
| 3. | 570 | + | 90 | = |
|
| 4. | 440 | + | 50 | = |
|
| 5. | 680 | + | 10 | = |
|
| 6. | 230 | + | 80 | = |
|
| 7. | 990 | + | 60 | = |
|
| 8. | 730 | + | 70 | = |
|
| 9. | 570 | + | 40 | = |
|
| 10. | 320 | + | 70 | = |
|
| Oefening 4 | |||||
| 1. | 430 | + | 90 | = |
|
| 2. | 130 | + | 90 | = |
|
| 3. | 590 | + | 10 | = |
|
| 4. | 310 | + | 80 | = |
|
| 5. | 320 | + | 70 | = |
|
| 6. | 930 | + | 90 | = |
|
| 7. | 910 | + | 90 | = |
|
| 8. | 550 | + | 40 | = |
|
| 9. | 380 | + | 30 | = |
|
| 10. | 940 | + | 60 | = |
|