Honderdtallen en tientallen optellen
Erbijsommen
| Oefening 1 | |||||
| 1. | 270 | + | 630 | = |
|
| 2. | 880 | + | 220 | = |
|
| 3. | 260 | + | 810 | = |
|
| 4. | 740 | + | 360 | = |
|
| 5. | 410 | + | 420 | = |
|
| 6. | 750 | + | 220 | = |
|
| 7. | 280 | + | 620 | = |
|
| 8. | 240 | + | 630 | = |
|
| 9. | 480 | + | 610 | = |
|
| 10. | 640 | + | 130 | = |
|
| Oefening 2 | |||||
| 1. | 710 | + | 390 | = |
|
| 2. | 940 | + | 120 | = |
|
| 3. | 260 | + | 520 | = |
|
| 4. | 670 | + | 220 | = |
|
| 5. | 430 | + | 240 | = |
|
| 6. | 450 | + | 240 | = |
|
| 7. | 470 | + | 530 | = |
|
| 8. | 660 | + | 430 | = |
|
| 9. | 590 | + | 510 | = |
|
| 10. | 940 | + | 160 | = |
|
| Oefening 3 | |||||
| 1. | 630 | + | 350 | = |
|
| 2. | 160 | + | 840 | = |
|
| 3. | 960 | + | 110 | = |
|
| 4. | 870 | + | 230 | = |
|
| 5. | 860 | + | 240 | = |
|
| 6. | 250 | + | 130 | = |
|
| 7. | 150 | + | 710 | = |
|
| 8. | 870 | + | 210 | = |
|
| 9. | 690 | + | 310 | = |
|
| 10. | 820 | + | 230 | = |
|
| Oefening 4 | |||||
| 1. | 490 | + | 210 | = |
|
| 2. | 610 | + | 140 | = |
|
| 3. | 950 | + | 120 | = |
|
| 4. | 160 | + | 430 | = |
|
| 5. | 570 | + | 410 | = |
|
| 6. | 660 | + | 110 | = |
|
| 7. | 950 | + | 150 | = |
|
| 8. | 820 | + | 150 | = |
|
| 9. | 510 | + | 370 | = |
|
| 10. | 510 | + | 120 | = |
|