Optellen van tientallen en eenheden die over het honderdtal gaan
Erbijsommen
| Oefening 1 | |||||
| 1. | 680 | + | 71 | = |
|
| 2. | 560 | + | 72 | = |
|
| 3. | 370 | + | 85 | = |
|
| 4. | 470 | + | 91 | = |
|
| 5. | 470 | + | 84 | = |
|
| 6. | 210 | + | 81 | = |
|
| 7. | 440 | + | 88 | = |
|
| 8. | 960 | + | 71 | = |
|
| 9. | 480 | + | 35 | = |
|
| 10. | 540 | + | 57 | = |
|
| Oefening 2 | |||||
| 1. | 750 | + | 75 | = |
|
| 2. | 530 | + | 76 | = |
|
| 3. | 260 | + | 48 | = |
|
| 4. | 570 | + | 89 | = |
|
| 5. | 510 | + | 99 | = |
|
| 6. | 460 | + | 57 | = |
|
| 7. | 770 | + | 92 | = |
|
| 8. | 960 | + | 91 | = |
|
| 9. | 980 | + | 15 | = |
|
| 10. | 260 | + | 36 | = |
|
| Oefening 3 | |||||
| 1. | 560 | + | 37 | = |
|
| 2. | 650 | + | 65 | = |
|
| 3. | 290 | + | 44 | = |
|
| 4. | 590 | + | 66 | = |
|
| 5. | 930 | + | 87 | = |
|
| 6. | 620 | + | 87 | = |
|
| 7. | 690 | + | 79 | = |
|
| 8. | 210 | + | 87 | = |
|
| 9. | 470 | + | 77 | = |
|
| 10. | 250 | + | 91 | = |
|
| Oefening 4 | |||||
| 1. | 150 | + | 81 | = |
|
| 2. | 150 | + | 73 | = |
|
| 3. | 980 | + | 54 | = |
|
| 4. | 490 | + | 65 | = |
|
| 5. | 590 | + | 69 | = |
|
| 6. | 480 | + | 24 | = |
|
| 7. | 580 | + | 75 | = |
|
| 8. | 550 | + | 62 | = |
|
| 9. | 390 | + | 96 | = |
|
| 10. | 260 | + | 89 | = |
|