Optellen van tientallen en eenheden die over het honderdtal gaan
Erbijsommen
| Oefening 1 | |||||
| 1. | 670 | + | 83 | = |
|
| 2. | 550 | + | 64 | = |
|
| 3. | 780 | + | 41 | = |
|
| 4. | 530 | + | 69 | = |
|
| 5. | 660 | + | 55 | = |
|
| 6. | 370 | + | 38 | = |
|
| 7. | 990 | + | 79 | = |
|
| 8. | 680 | + | 17 | = |
|
| 9. | 450 | + | 65 | = |
|
| 10. | 540 | + | 92 | = |
|
| Oefening 2 | |||||
| 1. | 140 | + | 87 | = |
|
| 2. | 250 | + | 52 | = |
|
| 3. | 120 | + | 79 | = |
|
| 4. | 990 | + | 84 | = |
|
| 5. | 410 | + | 91 | = |
|
| 6. | 290 | + | 47 | = |
|
| 7. | 440 | + | 55 | = |
|
| 8. | 150 | + | 57 | = |
|
| 9. | 560 | + | 77 | = |
|
| 10. | 660 | + | 43 | = |
|
| Oefening 3 | |||||
| 1. | 770 | + | 21 | = |
|
| 2. | 380 | + | 43 | = |
|
| 3. | 240 | + | 67 | = |
|
| 4. | 240 | + | 64 | = |
|
| 5. | 920 | + | 95 | = |
|
| 6. | 550 | + | 67 | = |
|
| 7. | 880 | + | 73 | = |
|
| 8. | 190 | + | 12 | = |
|
| 9. | 580 | + | 99 | = |
|
| 10. | 920 | + | 82 | = |
|
| Oefening 4 | |||||
| 1. | 970 | + | 32 | = |
|
| 2. | 390 | + | 33 | = |
|
| 3. | 810 | + | 82 | = |
|
| 4. | 150 | + | 79 | = |
|
| 5. | 910 | + | 81 | = |
|
| 6. | 840 | + | 68 | = |
|
| 7. | 910 | + | 99 | = |
|
| 8. | 560 | + | 87 | = |
|
| 9. | 330 | + | 69 | = |
|
| 10. | 660 | + | 33 | = |
|