Honderdtallen en tientallen optellen
Erbijsommen
| Oefening 1 | |||||
| 1. | 820 | + | 180 | = |
|
| 2. | 740 | + | 230 | = |
|
| 3. | 380 | + | 310 | = |
|
| 4. | 290 | + | 510 | = |
|
| 5. | 160 | + | 520 | = |
|
| 6. | 450 | + | 630 | = |
|
| 7. | 530 | + | 120 | = |
|
| 8. | 330 | + | 250 | = |
|
| 9. | 140 | + | 640 | = |
|
| 10. | 720 | + | 230 | = |
|
| Oefening 2 | |||||
| 1. | 410 | + | 140 | = |
|
| 2. | 510 | + | 570 | = |
|
| 3. | 630 | + | 310 | = |
|
| 4. | 390 | + | 710 | = |
|
| 5. | 880 | + | 210 | = |
|
| 6. | 220 | + | 580 | = |
|
| 7. | 910 | + | 120 | = |
|
| 8. | 920 | + | 120 | = |
|
| 9. | 980 | + | 120 | = |
|
| 10. | 190 | + | 610 | = |
|
| Oefening 3 | |||||
| 1. | 610 | + | 280 | = |
|
| 2. | 850 | + | 110 | = |
|
| 3. | 130 | + | 930 | = |
|
| 4. | 160 | + | 710 | = |
|
| 5. | 920 | + | 120 | = |
|
| 6. | 510 | + | 350 | = |
|
| 7. | 330 | + | 650 | = |
|
| 8. | 610 | + | 360 | = |
|
| 9. | 340 | + | 230 | = |
|
| 10. | 680 | + | 210 | = |
|
| Oefening 4 | |||||
| 1. | 490 | + | 510 | = |
|
| 2. | 870 | + | 210 | = |
|
| 3. | 390 | + | 210 | = |
|
| 4. | 950 | + | 110 | = |
|
| 5. | 560 | + | 110 | = |
|
| 6. | 240 | + | 260 | = |
|
| 7. | 640 | + | 310 | = |
|
| 8. | 510 | + | 270 | = |
|
| 9. | 880 | + | 110 | = |
|
| 10. | 440 | + | 420 | = |
|