Optellen van tientallen en eenheden die over het honderdtal gaan
Erbijsommen
| Oefening 1 | |||||
| 1. | 980 | + | 57 | = |
|
| 2. | 710 | + | 98 | = |
|
| 3. | 460 | + | 57 | = |
|
| 4. | 880 | + | 12 | = |
|
| 5. | 310 | + | 89 | = |
|
| 6. | 920 | + | 79 | = |
|
| 7. | 490 | + | 7 | = |
|
| 8. | 710 | + | 81 | = |
|
| 9. | 550 | + | 85 | = |
|
| 10. | 150 | + | 83 | = |
|
| Oefening 2 | |||||
| 1. | 210 | + | 99 | = |
|
| 2. | 880 | + | 12 | = |
|
| 3. | 760 | + | 58 | = |
|
| 4. | 630 | + | 94 | = |
|
| 5. | 840 | + | 53 | = |
|
| 6. | 280 | + | 87 | = |
|
| 7. | 570 | + | 45 | = |
|
| 8. | 110 | + | 83 | = |
|
| 9. | 610 | + | 91 | = |
|
| 10. | 320 | + | 75 | = |
|
| Oefening 3 | |||||
| 1. | 950 | + | 65 | = |
|
| 2. | 440 | + | 67 | = |
|
| 3. | 650 | + | 53 | = |
|
| 4. | 330 | + | 99 | = |
|
| 5. | 160 | + | 99 | = |
|
| 6. | 160 | + | 55 | = |
|
| 7. | 460 | + | 67 | = |
|
| 8. | 210 | + | 81 | = |
|
| 9. | 960 | + | 69 | = |
|
| 10. | 770 | + | 91 | = |
|
| Oefening 4 | |||||
| 1. | 820 | + | 89 | = |
|
| 2. | 580 | + | 25 | = |
|
| 3. | 370 | + | 73 | = |
|
| 4. | 140 | + | 55 | = |
|
| 5. | 340 | + | 65 | = |
|
| 6. | 360 | + | 96 | = |
|
| 7. | 840 | + | 51 | = |
|
| 8. | 180 | + | 81 | = |
|
| 9. | 410 | + | 91 | = |
|
| 10. | 820 | + | 71 | = |
|