Honderdtallen en tientallen optellen
Erbijsommen
| Oefening 1 | |||||
| 1. | 680 | + | 220 | = |
|
| 2. | 910 | + | 160 | = |
|
| 3. | 260 | + | 740 | = |
|
| 4. | 540 | + | 410 | = |
|
| 5. | 720 | + | 330 | = |
|
| 6. | 720 | + | 280 | = |
|
| 7. | 130 | + | 360 | = |
|
| 8. | 390 | + | 210 | = |
|
| 9. | 470 | + | 330 | = |
|
| 10. | 890 | + | 110 | = |
|
| Oefening 2 | |||||
| 1. | 390 | + | 310 | = |
|
| 2. | 410 | + | 510 | = |
|
| 3. | 340 | + | 510 | = |
|
| 4. | 420 | + | 620 | = |
|
| 5. | 870 | + | 210 | = |
|
| 6. | 870 | + | 120 | = |
|
| 7. | 380 | + | 320 | = |
|
| 8. | 140 | + | 520 | = |
|
| 9. | 430 | + | 170 | = |
|
| 10. | 830 | + | 140 | = |
|
| Oefening 3 | |||||
| 1. | 520 | + | 220 | = |
|
| 2. | 640 | + | 120 | = |
|
| 3. | 880 | + | 120 | = |
|
| 4. | 540 | + | 510 | = |
|
| 5. | 920 | + | 160 | = |
|
| 6. | 650 | + | 450 | = |
|
| 7. | 770 | + | 120 | = |
|
| 8. | 150 | + | 930 | = |
|
| 9. | 850 | + | 240 | = |
|
| 10. | 180 | + | 920 | = |
|
| Oefening 4 | |||||
| 1. | 340 | + | 440 | = |
|
| 2. | 830 | + | 110 | = |
|
| 3. | 990 | + | 110 | = |
|
| 4. | 510 | + | 350 | = |
|
| 5. | 610 | + | 240 | = |
|
| 6. | 680 | + | 110 | = |
|
| 7. | 110 | + | 890 | = |
|
| 8. | 580 | + | 110 | = |
|
| 9. | 610 | + | 380 | = |
|
| 10. | 910 | + | 120 | = |
|