Honderdtallen en tientallen optellen
Erbijsommen
| Oefening 1 | |||||
| 1. | 570 | + | 420 | = |
|
| 2. | 910 | + | 120 | = |
|
| 3. | 360 | + | 720 | = |
|
| 4. | 550 | + | 340 | = |
|
| 5. | 360 | + | 630 | = |
|
| 6. | 980 | + | 120 | = |
|
| 7. | 650 | + | 320 | = |
|
| 8. | 770 | + | 110 | = |
|
| 9. | 790 | + | 310 | = |
|
| 10. | 350 | + | 420 | = |
|
| Oefening 2 | |||||
| 1. | 950 | + | 150 | = |
|
| 2. | 440 | + | 560 | = |
|
| 3. | 890 | + | 210 | = |
|
| 4. | 440 | + | 460 | = |
|
| 5. | 620 | + | 470 | = |
|
| 6. | 310 | + | 330 | = |
|
| 7. | 740 | + | 140 | = |
|
| 8. | 420 | + | 230 | = |
|
| 9. | 870 | + | 130 | = |
|
| 10. | 210 | + | 320 | = |
|
| Oefening 3 | |||||
| 1. | 310 | + | 630 | = |
|
| 2. | 690 | + | 210 | = |
|
| 3. | 480 | + | 510 | = |
|
| 4. | 290 | + | 510 | = |
|
| 5. | 750 | + | 220 | = |
|
| 6. | 760 | + | 130 | = |
|
| 7. | 420 | + | 280 | = |
|
| 8. | 890 | + | 110 | = |
|
| 9. | 710 | + | 310 | = |
|
| 10. | 590 | + | 210 | = |
|
| Oefening 4 | |||||
| 1. | 110 | + | 450 | = |
|
| 2. | 510 | + | 530 | = |
|
| 3. | 770 | + | 110 | = |
|
| 4. | 450 | + | 310 | = |
|
| 5. | 430 | + | 470 | = |
|
| 6. | 310 | + | 130 | = |
|
| 7. | 140 | + | 840 | = |
|
| 8. | 720 | + | 310 | = |
|
| 9. | 750 | + | 110 | = |
|
| 10. | 990 | + | 110 | = |
|