Honderdtallen en tientallen optellen die over het honderdtal gaan
Erbijsommen
| Oefening 1 | |||||
| 1. | 620 | + | 490 | = |
|
| 2. | 370 | + | 650 | = |
|
| 3. | 750 | + | 370 | = |
|
| 4. | 770 | + | 170 | = |
|
| 5. | 330 | + | 690 | = |
|
| 6. | 320 | + | 190 | = |
|
| 7. | 680 | + | 270 | = |
|
| 8. | 120 | + | 190 | = |
|
| 9. | 380 | + | 630 | = |
|
| 10. | 720 | + | 390 | = |
|
| Oefening 2 | |||||
| 1. | 520 | + | 190 | = |
|
| 2. | 180 | + | 730 | = |
|
| 3. | 280 | + | 860 | = |
|
| 4. | 160 | + | 890 | = |
|
| 5. | 160 | + | 670 | = |
|
| 6. | 630 | + | 490 | = |
|
| 7. | 130 | + | 280 | = |
|
| 8. | 680 | + | 270 | = |
|
| 9. | 170 | + | 160 | = |
|
| 10. | 380 | + | 470 | = |
|
| Oefening 3 | |||||
| 1. | 230 | + | 390 | = |
|
| 2. | 420 | + | 590 | = |
|
| 3. | 380 | + | 640 | = |
|
| 4. | 650 | + | 290 | = |
|
| 5. | 550 | + | 260 | = |
|
| 6. | 960 | + | 190 | = |
|
| 7. | 340 | + | 190 | = |
|
| 8. | 350 | + | 170 | = |
|
| 9. | 980 | + | 140 | = |
|
| 10. | 280 | + | 440 | = |
|
| Oefening 4 | |||||
| 1. | 430 | + | 480 | = |
|
| 2. | 780 | + | 350 | = |
|
| 3. | 580 | + | 440 | = |
|
| 4. | 380 | + | 170 | = |
|
| 5. | 260 | + | 860 | = |
|
| 6. | 640 | + | 280 | = |
|
| 7. | 440 | + | 270 | = |
|
| 8. | 580 | + | 490 | = |
|
| 9. | 740 | + | 180 | = |
|
| 10. | 330 | + | 280 | = |
|