Optellen van tientallen en eenheden die over het honderdtal gaan
Erbijsommen
| Oefening 1 | |||||
| 1. | 380 | + | 71 | = |
|
| 2. | 710 | + | 99 | = |
|
| 3. | 570 | + | 81 | = |
|
| 4. | 230 | + | 63 | = |
|
| 5. | 730 | + | 79 | = |
|
| 6. | 920 | + | 71 | = |
|
| 7. | 690 | + | 24 | = |
|
| 8. | 870 | + | 73 | = |
|
| 9. | 570 | + | 69 | = |
|
| 10. | 690 | + | 67 | = |
|
| Oefening 2 | |||||
| 1. | 790 | + | 21 | = |
|
| 2. | 460 | + | 63 | = |
|
| 3. | 340 | + | 92 | = |
|
| 4. | 540 | + | 89 | = |
|
| 5. | 340 | + | 78 | = |
|
| 6. | 970 | + | 31 | = |
|
| 7. | 250 | + | 73 | = |
|
| 8. | 870 | + | 32 | = |
|
| 9. | 760 | + | 63 | = |
|
| 10. | 780 | + | 57 | = |
|
| Oefening 3 | |||||
| 1. | 680 | + | 14 | = |
|
| 2. | 740 | + | 94 | = |
|
| 3. | 820 | + | 88 | = |
|
| 4. | 280 | + | 25 | = |
|
| 5. | 350 | + | 56 | = |
|
| 6. | 170 | + | 67 | = |
|
| 7. | 980 | + | 34 | = |
|
| 8. | 680 | + | 51 | = |
|
| 9. | 680 | + | 34 | = |
|
| 10. | 370 | + | 75 | = |
|
| Oefening 4 | |||||
| 1. | 210 | + | 83 | = |
|
| 2. | 620 | + | 88 | = |
|
| 3. | 770 | + | 59 | = |
|
| 4. | 330 | + | 77 | = |
|
| 5. | 820 | + | 93 | = |
|
| 6. | 420 | + | 71 | = |
|
| 7. | 560 | + | 88 | = |
|
| 8. | 590 | + | 56 | = |
|
| 9. | 490 | + | 3 | = |
|
| 10. | 590 | + | 46 | = |
|