Honderdtallen en tientallen optellen
Erbijsommen
| Oefening 1 | |||||
| 1. | 390 | + | 610 | = |
|
| 2. | 870 | + | 220 | = |
|
| 3. | 650 | + | 230 | = |
|
| 4. | 250 | + | 410 | = |
|
| 5. | 750 | + | 140 | = |
|
| 6. | 440 | + | 430 | = |
|
| 7. | 430 | + | 460 | = |
|
| 8. | 280 | + | 710 | = |
|
| 9. | 830 | + | 250 | = |
|
| 10. | 240 | + | 210 | = |
|
| Oefening 2 | |||||
| 1. | 990 | + | 110 | = |
|
| 2. | 860 | + | 140 | = |
|
| 3. | 210 | + | 850 | = |
|
| 4. | 210 | + | 830 | = |
|
| 5. | 980 | + | 110 | = |
|
| 6. | 640 | + | 210 | = |
|
| 7. | 940 | + | 120 | = |
|
| 8. | 350 | + | 540 | = |
|
| 9. | 130 | + | 260 | = |
|
| 10. | 180 | + | 910 | = |
|
| Oefening 3 | |||||
| 1. | 420 | + | 180 | = |
|
| 2. | 410 | + | 490 | = |
|
| 3. | 640 | + | 220 | = |
|
| 4. | 890 | + | 210 | = |
|
| 5. | 630 | + | 150 | = |
|
| 6. | 190 | + | 910 | = |
|
| 7. | 120 | + | 410 | = |
|
| 8. | 620 | + | 130 | = |
|
| 9. | 830 | + | 120 | = |
|
| 10. | 420 | + | 450 | = |
|
| Oefening 4 | |||||
| 1. | 720 | + | 250 | = |
|
| 2. | 140 | + | 360 | = |
|
| 3. | 770 | + | 230 | = |
|
| 4. | 170 | + | 410 | = |
|
| 5. | 590 | + | 410 | = |
|
| 6. | 710 | + | 120 | = |
|
| 7. | 920 | + | 160 | = |
|
| 8. | 460 | + | 520 | = |
|
| 9. | 470 | + | 110 | = |
|
| 10. | 740 | + | 160 | = |
|