Honderdtallen en tientallen optellen
Erbijsommen
| Oefening 1 | |||||
| 1. | 490 | + | 510 | = |
|
| 2. | 670 | + | 220 | = |
|
| 3. | 490 | + | 110 | = |
|
| 4. | 270 | + | 310 | = |
|
| 5. | 580 | + | 310 | = |
|
| 6. | 530 | + | 510 | = |
|
| 7. | 210 | + | 430 | = |
|
| 8. | 870 | + | 210 | = |
|
| 9. | 150 | + | 840 | = |
|
| 10. | 290 | + | 710 | = |
|
| Oefening 2 | |||||
| 1. | 310 | + | 230 | = |
|
| 2. | 220 | + | 720 | = |
|
| 3. | 610 | + | 430 | = |
|
| 4. | 530 | + | 220 | = |
|
| 5. | 140 | + | 130 | = |
|
| 6. | 560 | + | 130 | = |
|
| 7. | 320 | + | 610 | = |
|
| 8. | 870 | + | 110 | = |
|
| 9. | 160 | + | 330 | = |
|
| 10. | 420 | + | 510 | = |
|
| Oefening 3 | |||||
| 1. | 730 | + | 130 | = |
|
| 2. | 380 | + | 520 | = |
|
| 3. | 760 | + | 140 | = |
|
| 4. | 870 | + | 120 | = |
|
| 5. | 890 | + | 110 | = |
|
| 6. | 440 | + | 210 | = |
|
| 7. | 130 | + | 320 | = |
|
| 8. | 780 | + | 210 | = |
|
| 9. | 310 | + | 450 | = |
|
| 10. | 340 | + | 340 | = |
|
| Oefening 4 | |||||
| 1. | 980 | + | 110 | = |
|
| 2. | 510 | + | 320 | = |
|
| 3. | 450 | + | 640 | = |
|
| 4. | 180 | + | 510 | = |
|
| 5. | 620 | + | 120 | = |
|
| 6. | 290 | + | 710 | = |
|
| 7. | 280 | + | 720 | = |
|
| 8. | 120 | + | 780 | = |
|
| 9. | 290 | + | 510 | = |
|
| 10. | 580 | + | 110 | = |
|