Optellen van tientallen en eenheden die over het honderdtal gaan
Erbijsommen
| Oefening 1 | |||||
| 1. | 650 | + | 52 | = |
|
| 2. | 490 | + | 22 | = |
|
| 3. | 450 | + | 64 | = |
|
| 4. | 680 | + | 24 | = |
|
| 5. | 560 | + | 81 | = |
|
| 6. | 920 | + | 75 | = |
|
| 7. | 540 | + | 93 | = |
|
| 8. | 210 | + | 94 | = |
|
| 9. | 890 | + | 64 | = |
|
| 10. | 390 | + | 9 | = |
|
| Oefening 2 | |||||
| 1. | 170 | + | 28 | = |
|
| 2. | 120 | + | 94 | = |
|
| 3. | 410 | + | 91 | = |
|
| 4. | 440 | + | 76 | = |
|
| 5. | 620 | + | 73 | = |
|
| 6. | 130 | + | 75 | = |
|
| 7. | 120 | + | 83 | = |
|
| 8. | 320 | + | 85 | = |
|
| 9. | 680 | + | 21 | = |
|
| 10. | 210 | + | 94 | = |
|
| Oefening 3 | |||||
| 1. | 940 | + | 78 | = |
|
| 2. | 620 | + | 81 | = |
|
| 3. | 940 | + | 65 | = |
|
| 4. | 490 | + | 54 | = |
|
| 5. | 780 | + | 17 | = |
|
| 6. | 150 | + | 89 | = |
|
| 7. | 750 | + | 99 | = |
|
| 8. | 930 | + | 75 | = |
|
| 9. | 990 | + | 36 | = |
|
| 10. | 390 | + | 71 | = |
|
| Oefening 4 | |||||
| 1. | 230 | + | 66 | = |
|
| 2. | 260 | + | 78 | = |
|
| 3. | 820 | + | 93 | = |
|
| 4. | 150 | + | 61 | = |
|
| 5. | 180 | + | 15 | = |
|
| 6. | 920 | + | 87 | = |
|
| 7. | 130 | + | 76 | = |
|
| 8. | 540 | + | 77 | = |
|
| 9. | 460 | + | 64 | = |
|
| 10. | 370 | + | 71 | = |
|