Optellen van tientallen en eenheden die over het honderdtal gaan
Erbijsommen
| Oefening 1 | |||||
| 1. | 320 | + | 71 | = |
|
| 2. | 320 | + | 73 | = |
|
| 3. | 250 | + | 43 | = |
|
| 4. | 910 | + | 87 | = |
|
| 5. | 670 | + | 82 | = |
|
| 6. | 460 | + | 54 | = |
|
| 7. | 920 | + | 73 | = |
|
| 8. | 820 | + | 76 | = |
|
| 9. | 970 | + | 42 | = |
|
| 10. | 630 | + | 76 | = |
|
| Oefening 2 | |||||
| 1. | 980 | + | 64 | = |
|
| 2. | 620 | + | 82 | = |
|
| 3. | 810 | + | 99 | = |
|
| 4. | 620 | + | 75 | = |
|
| 5. | 280 | + | 18 | = |
|
| 6. | 750 | + | 96 | = |
|
| 7. | 880 | + | 73 | = |
|
| 8. | 270 | + | 39 | = |
|
| 9. | 940 | + | 97 | = |
|
| 10. | 640 | + | 65 | = |
|
| Oefening 3 | |||||
| 1. | 930 | + | 78 | = |
|
| 2. | 140 | + | 58 | = |
|
| 3. | 760 | + | 69 | = |
|
| 4. | 430 | + | 88 | = |
|
| 5. | 370 | + | 66 | = |
|
| 6. | 940 | + | 75 | = |
|
| 7. | 250 | + | 44 | = |
|
| 8. | 790 | + | 9 | = |
|
| 9. | 580 | + | 79 | = |
|
| 10. | 220 | + | 99 | = |
|
| Oefening 4 | |||||
| 1. | 820 | + | 87 | = |
|
| 2. | 430 | + | 61 | = |
|
| 3. | 110 | + | 85 | = |
|
| 4. | 240 | + | 96 | = |
|
| 5. | 960 | + | 62 | = |
|
| 6. | 430 | + | 69 | = |
|
| 7. | 790 | + | 49 | = |
|
| 8. | 260 | + | 87 | = |
|
| 9. | 970 | + | 89 | = |
|
| 10. | 570 | + | 43 | = |
|