Honderdtallen en tientallen optellen
Erbijsommen
| Oefening 1 | |||||
| 1. | 260 | + | 420 | = |
|
| 2. | 780 | + | 320 | = |
|
| 3. | 430 | + | 540 | = |
|
| 4. | 690 | + | 310 | = |
|
| 5. | 750 | + | 220 | = |
|
| 6. | 440 | + | 120 | = |
|
| 7. | 810 | + | 150 | = |
|
| 8. | 280 | + | 310 | = |
|
| 9. | 380 | + | 420 | = |
|
| 10. | 650 | + | 220 | = |
|
| Oefening 2 | |||||
| 1. | 880 | + | 120 | = |
|
| 2. | 110 | + | 190 | = |
|
| 3. | 990 | + | 110 | = |
|
| 4. | 370 | + | 220 | = |
|
| 5. | 690 | + | 210 | = |
|
| 6. | 320 | + | 420 | = |
|
| 7. | 820 | + | 260 | = |
|
| 8. | 610 | + | 210 | = |
|
| 9. | 380 | + | 420 | = |
|
| 10. | 660 | + | 110 | = |
|
| Oefening 3 | |||||
| 1. | 870 | + | 230 | = |
|
| 2. | 460 | + | 520 | = |
|
| 3. | 470 | + | 610 | = |
|
| 4. | 920 | + | 140 | = |
|
| 5. | 390 | + | 610 | = |
|
| 6. | 970 | + | 120 | = |
|
| 7. | 890 | + | 210 | = |
|
| 8. | 440 | + | 640 | = |
|
| 9. | 140 | + | 150 | = |
|
| 10. | 370 | + | 610 | = |
|
| Oefening 4 | |||||
| 1. | 650 | + | 210 | = |
|
| 2. | 450 | + | 440 | = |
|
| 3. | 530 | + | 510 | = |
|
| 4. | 260 | + | 630 | = |
|
| 5. | 820 | + | 240 | = |
|
| 6. | 380 | + | 510 | = |
|
| 7. | 250 | + | 810 | = |
|
| 8. | 230 | + | 640 | = |
|
| 9. | 890 | + | 210 | = |
|
| 10. | 120 | + | 350 | = |
|