Met tientallen over het honderdtal
Erbijsommen
| Oefening 1 | |||||
| 1. | 950 | + | 40 | = |
|
| 2. | 670 | + | 90 | = |
|
| 3. | 510 | + | 80 | = |
|
| 4. | 390 | + | 80 | = |
|
| 5. | 680 | + | 70 | = |
|
| 6. | 190 | + | 90 | = |
|
| 7. | 120 | + | 90 | = |
|
| 8. | 750 | + | 60 | = |
|
| 9. | 130 | + | 60 | = |
|
| 10. | 390 | + | 60 | = |
|
| Oefening 2 | |||||
| 1. | 680 | + | 30 | = |
|
| 2. | 230 | + | 70 | = |
|
| 3. | 170 | + | 40 | = |
|
| 4. | 360 | + | 40 | = |
|
| 5. | 950 | + | 70 | = |
|
| 6. | 170 | + | 80 | = |
|
| 7. | 540 | + | 50 | = |
|
| 8. | 940 | + | 80 | = |
|
| 9. | 580 | + | 30 | = |
|
| 10. | 770 | + | 90 | = |
|
| Oefening 3 | |||||
| 1. | 920 | + | 80 | = |
|
| 2. | 440 | + | 50 | = |
|
| 3. | 310 | + | 90 | = |
|
| 4. | 750 | + | 70 | = |
|
| 5. | 470 | + | 40 | = |
|
| 6. | 380 | + | 30 | = |
|
| 7. | 160 | + | 50 | = |
|
| 8. | 650 | + | 50 | = |
|
| 9. | 770 | + | 80 | = |
|
| 10. | 790 | + | 60 | = |
|
| Oefening 4 | |||||
| 1. | 950 | + | 90 | = |
|
| 2. | 760 | + | 30 | = |
|
| 3. | 760 | + | 40 | = |
|
| 4. | 930 | + | 70 | = |
|
| 5. | 120 | + | 80 | = |
|
| 6. | 760 | + | 50 | = |
|
| 7. | 310 | + | 80 | = |
|
| 8. | 910 | + | 90 | = |
|
| 9. | 890 | + | 10 | = |
|
| 10. | 550 | + | 80 | = |
|