Honderdtallen en tientallen optellen
Erbijsommen
| Oefening 1 | |||||
| 1. | 460 | + | 630 | = |
|
| 2. | 560 | + | 230 | = |
|
| 3. | 920 | + | 150 | = |
|
| 4. | 120 | + | 860 | = |
|
| 5. | 480 | + | 320 | = |
|
| 6. | 480 | + | 320 | = |
|
| 7. | 710 | + | 360 | = |
|
| 8. | 320 | + | 570 | = |
|
| 9. | 450 | + | 530 | = |
|
| 10. | 180 | + | 720 | = |
|
| Oefening 2 | |||||
| 1. | 540 | + | 330 | = |
|
| 2. | 490 | + | 510 | = |
|
| 3. | 250 | + | 630 | = |
|
| 4. | 180 | + | 710 | = |
|
| 5. | 730 | + | 370 | = |
|
| 6. | 350 | + | 230 | = |
|
| 7. | 210 | + | 320 | = |
|
| 8. | 780 | + | 320 | = |
|
| 9. | 680 | + | 120 | = |
|
| 10. | 260 | + | 220 | = |
|
| Oefening 3 | |||||
| 1. | 140 | + | 350 | = |
|
| 2. | 520 | + | 580 | = |
|
| 3. | 630 | + | 460 | = |
|
| 4. | 580 | + | 320 | = |
|
| 5. | 750 | + | 210 | = |
|
| 6. | 120 | + | 330 | = |
|
| 7. | 340 | + | 230 | = |
|
| 8. | 920 | + | 170 | = |
|
| 9. | 250 | + | 840 | = |
|
| 10. | 440 | + | 630 | = |
|
| Oefening 4 | |||||
| 1. | 870 | + | 120 | = |
|
| 2. | 810 | + | 150 | = |
|
| 3. | 350 | + | 610 | = |
|
| 4. | 570 | + | 520 | = |
|
| 5. | 510 | + | 160 | = |
|
| 6. | 880 | + | 210 | = |
|
| 7. | 620 | + | 430 | = |
|
| 8. | 890 | + | 110 | = |
|
| 9. | 270 | + | 610 | = |
|
| 10. | 590 | + | 410 | = |
|