Optellen van tientallen en eenheden die over het honderdtal gaan
Erbijsommen
| Oefening 1 | |||||
| 1. | 730 | + | 73 | = |
|
| 2. | 460 | + | 94 | = |
|
| 3. | 250 | + | 72 | = |
|
| 4. | 840 | + | 91 | = |
|
| 5. | 380 | + | 75 | = |
|
| 6. | 580 | + | 39 | = |
|
| 7. | 570 | + | 47 | = |
|
| 8. | 160 | + | 66 | = |
|
| 9. | 290 | + | 39 | = |
|
| 10. | 710 | + | 99 | = |
|
| Oefening 2 | |||||
| 1. | 160 | + | 36 | = |
|
| 2. | 550 | + | 81 | = |
|
| 3. | 420 | + | 97 | = |
|
| 4. | 650 | + | 71 | = |
|
| 5. | 290 | + | 81 | = |
|
| 6. | 960 | + | 47 | = |
|
| 7. | 480 | + | 56 | = |
|
| 8. | 230 | + | 89 | = |
|
| 9. | 910 | + | 87 | = |
|
| 10. | 110 | + | 98 | = |
|
| Oefening 3 | |||||
| 1. | 980 | + | 81 | = |
|
| 2. | 990 | + | 14 | = |
|
| 3. | 170 | + | 54 | = |
|
| 4. | 970 | + | 53 | = |
|
| 5. | 530 | + | 61 | = |
|
| 6. | 260 | + | 41 | = |
|
| 7. | 430 | + | 97 | = |
|
| 8. | 520 | + | 83 | = |
|
| 9. | 160 | + | 44 | = |
|
| 10. | 410 | + | 99 | = |
|
| Oefening 4 | |||||
| 1. | 210 | + | 87 | = |
|
| 2. | 460 | + | 75 | = |
|
| 3. | 730 | + | 78 | = |
|
| 4. | 770 | + | 26 | = |
|
| 5. | 890 | + | 12 | = |
|
| 6. | 840 | + | 92 | = |
|
| 7. | 110 | + | 96 | = |
|
| 8. | 850 | + | 63 | = |
|
| 9. | 420 | + | 88 | = |
|
| 10. | 240 | + | 67 | = |
|