Optellen van tientallen en eenheden die over het honderdtal gaan
Erbijsommen
| Oefening 1 | |||||
| 1. | 250 | + | 78 | = |
|
| 2. | 680 | + | 25 | = |
|
| 3. | 240 | + | 73 | = |
|
| 4. | 790 | + | 97 | = |
|
| 5. | 710 | + | 92 | = |
|
| 6. | 920 | + | 96 | = |
|
| 7. | 590 | + | 39 | = |
|
| 8. | 830 | + | 78 | = |
|
| 9. | 730 | + | 64 | = |
|
| 10. | 640 | + | 62 | = |
|
| Oefening 2 | |||||
| 1. | 420 | + | 91 | = |
|
| 2. | 990 | + | 7 | = |
|
| 3. | 510 | + | 81 | = |
|
| 4. | 770 | + | 63 | = |
|
| 5. | 850 | + | 74 | = |
|
| 6. | 820 | + | 98 | = |
|
| 7. | 580 | + | 34 | = |
|
| 8. | 510 | + | 93 | = |
|
| 9. | 590 | + | 23 | = |
|
| 10. | 280 | + | 22 | = |
|
| Oefening 3 | |||||
| 1. | 740 | + | 81 | = |
|
| 2. | 670 | + | 56 | = |
|
| 3. | 170 | + | 69 | = |
|
| 4. | 120 | + | 75 | = |
|
| 5. | 360 | + | 55 | = |
|
| 6. | 990 | + | 49 | = |
|
| 7. | 770 | + | 79 | = |
|
| 8. | 630 | + | 98 | = |
|
| 9. | 230 | + | 99 | = |
|
| 10. | 180 | + | 76 | = |
|
| Oefening 4 | |||||
| 1. | 910 | + | 99 | = |
|
| 2. | 940 | + | 74 | = |
|
| 3. | 720 | + | 99 | = |
|
| 4. | 680 | + | 82 | = |
|
| 5. | 610 | + | 83 | = |
|
| 6. | 420 | + | 93 | = |
|
| 7. | 990 | + | 51 | = |
|
| 8. | 340 | + | 61 | = |
|
| 9. | 130 | + | 89 | = |
|
| 10. | 970 | + | 33 | = |
|