Met tientallen over het honderdtal
Optellen
| Oefening 1 | |||||
| 1. | 580 | + | 20 | = |
|
| 2. | 110 | + | 80 | = |
|
| 3. | 480 | + | 40 | = |
|
| 4. | 650 | + | 80 | = |
|
| 5. | 450 | + | 70 | = |
|
| 6. | 240 | + | 60 | = |
|
| 7. | 270 | + | 60 | = |
|
| 8. | 920 | + | 90 | = |
|
| 9. | 290 | + | 40 | = |
|
| 10. | 360 | + | 30 | = |
|
| Oefening 2 | |||||
| 1. | 930 | + | 90 | = |
|
| 2. | 460 | + | 40 | = |
|
| 3. | 150 | + | 50 | = |
|
| 4. | 340 | + | 60 | = |
|
| 5. | 770 | + | 70 | = |
|
| 6. | 170 | + | 80 | = |
|
| 7. | 770 | + | 60 | = |
|
| 8. | 170 | + | 60 | = |
|
| 9. | 310 | + | 90 | = |
|
| 10. | 940 | + | 50 | = |
|
| Oefening 3 | |||||
| 1. | 790 | + | 90 | = |
|
| 2. | 710 | + | 80 | = |
|
| 3. | 220 | + | 90 | = |
|
| 4. | 250 | + | 60 | = |
|
| 5. | 320 | + | 70 | = |
|
| 6. | 360 | + | 50 | = |
|
| 7. | 880 | + | 50 | = |
|
| 8. | 210 | + | 80 | = |
|
| 9. | 960 | + | 70 | = |
|
| 10. | 690 | + | 20 | = |
|
| Oefening 4 | |||||
| 1. | 830 | + | 80 | = |
|
| 2. | 860 | + | 70 | = |
|
| 3. | 990 | + | 70 | = |
|
| 4. | 460 | + | 90 | = |
|
| 5. | 460 | + | 60 | = |
|
| 6. | 460 | + | 50 | = |
|
| 7. | 350 | + | 90 | = |
|
| 8. | 890 | + | 80 | = |
|
| 9. | 130 | + | 70 | = |
|
| 10. | 640 | + | 90 | = |
|