Optellen van tientallen en eenheden die over het honderdtal gaan
Erbijsommen
| Oefening 1 | |||||
| 1. | 270 | + | 49 | = |
|
| 2. | 720 | + | 79 | = |
|
| 3. | 450 | + | 99 | = |
|
| 4. | 380 | + | 72 | = |
|
| 5. | 930 | + | 86 | = |
|
| 6. | 940 | + | 65 | = |
|
| 7. | 830 | + | 74 | = |
|
| 8. | 120 | + | 86 | = |
|
| 9. | 220 | + | 74 | = |
|
| 10. | 370 | + | 34 | = |
|
| Oefening 2 | |||||
| 1. | 340 | + | 53 | = |
|
| 2. | 140 | + | 63 | = |
|
| 3. | 750 | + | 41 | = |
|
| 4. | 110 | + | 94 | = |
|
| 5. | 230 | + | 78 | = |
|
| 6. | 150 | + | 48 | = |
|
| 7. | 540 | + | 66 | = |
|
| 8. | 510 | + | 89 | = |
|
| 9. | 350 | + | 72 | = |
|
| 10. | 970 | + | 95 | = |
|
| Oefening 3 | |||||
| 1. | 370 | + | 97 | = |
|
| 2. | 650 | + | 99 | = |
|
| 3. | 180 | + | 82 | = |
|
| 4. | 640 | + | 62 | = |
|
| 5. | 710 | + | 95 | = |
|
| 6. | 380 | + | 71 | = |
|
| 7. | 480 | + | 53 | = |
|
| 8. | 870 | + | 31 | = |
|
| 9. | 180 | + | 14 | = |
|
| 10. | 110 | + | 89 | = |
|
| Oefening 4 | |||||
| 1. | 440 | + | 76 | = |
|
| 2. | 750 | + | 94 | = |
|
| 3. | 670 | + | 93 | = |
|
| 4. | 550 | + | 77 | = |
|
| 5. | 230 | + | 73 | = |
|
| 6. | 290 | + | 67 | = |
|
| 7. | 960 | + | 51 | = |
|
| 8. | 880 | + | 64 | = |
|
| 9. | 130 | + | 74 | = |
|
| 10. | 910 | + | 83 | = |
|