Honderdtallen en tientallen optellen
Erbijsommen
| Oefening 1 | |||||
| 1. | 370 | + | 620 | = |
|
| 2. | 920 | + | 170 | = |
|
| 3. | 520 | + | 460 | = |
|
| 4. | 280 | + | 820 | = |
|
| 5. | 380 | + | 710 | = |
|
| 6. | 720 | + | 280 | = |
|
| 7. | 280 | + | 320 | = |
|
| 8. | 170 | + | 130 | = |
|
| 9. | 860 | + | 230 | = |
|
| 10. | 410 | + | 250 | = |
|
| Oefening 2 | |||||
| 1. | 240 | + | 320 | = |
|
| 2. | 780 | + | 220 | = |
|
| 3. | 320 | + | 170 | = |
|
| 4. | 920 | + | 150 | = |
|
| 5. | 290 | + | 710 | = |
|
| 6. | 850 | + | 240 | = |
|
| 7. | 510 | + | 330 | = |
|
| 8. | 770 | + | 310 | = |
|
| 9. | 260 | + | 140 | = |
|
| 10. | 330 | + | 570 | = |
|
| Oefening 3 | |||||
| 1. | 160 | + | 530 | = |
|
| 2. | 220 | + | 860 | = |
|
| 3. | 350 | + | 210 | = |
|
| 4. | 920 | + | 140 | = |
|
| 5. | 580 | + | 420 | = |
|
| 6. | 350 | + | 230 | = |
|
| 7. | 840 | + | 250 | = |
|
| 8. | 740 | + | 340 | = |
|
| 9. | 410 | + | 380 | = |
|
| 10. | 840 | + | 120 | = |
|
| Oefening 4 | |||||
| 1. | 320 | + | 440 | = |
|
| 2. | 110 | + | 120 | = |
|
| 3. | 630 | + | 110 | = |
|
| 4. | 850 | + | 110 | = |
|
| 5. | 740 | + | 220 | = |
|
| 6. | 410 | + | 380 | = |
|
| 7. | 540 | + | 320 | = |
|
| 8. | 480 | + | 610 | = |
|
| 9. | 410 | + | 320 | = |
|
| 10. | 270 | + | 510 | = |
|