Optellen van tientallen en eenheden die over het honderdtal gaan
Erbijsommen
| Oefening 1 | |||||
| 1. | 780 | + | 81 | = |
|
| 2. | 650 | + | 61 | = |
|
| 3. | 670 | + | 91 | = |
|
| 4. | 260 | + | 52 | = |
|
| 5. | 130 | + | 93 | = |
|
| 6. | 250 | + | 48 | = |
|
| 7. | 960 | + | 58 | = |
|
| 8. | 150 | + | 72 | = |
|
| 9. | 730 | + | 79 | = |
|
| 10. | 240 | + | 63 | = |
|
| Oefening 2 | |||||
| 1. | 190 | + | 94 | = |
|
| 2. | 360 | + | 81 | = |
|
| 3. | 240 | + | 96 | = |
|
| 4. | 750 | + | 98 | = |
|
| 5. | 310 | + | 89 | = |
|
| 6. | 580 | + | 23 | = |
|
| 7. | 930 | + | 78 | = |
|
| 8. | 910 | + | 92 | = |
|
| 9. | 760 | + | 38 | = |
|
| 10. | 560 | + | 44 | = |
|
| Oefening 3 | |||||
| 1. | 230 | + | 75 | = |
|
| 2. | 640 | + | 75 | = |
|
| 3. | 560 | + | 94 | = |
|
| 4. | 140 | + | 79 | = |
|
| 5. | 180 | + | 74 | = |
|
| 6. | 680 | + | 22 | = |
|
| 7. | 150 | + | 75 | = |
|
| 8. | 440 | + | 98 | = |
|
| 9. | 290 | + | 55 | = |
|
| 10. | 470 | + | 41 | = |
|
| Oefening 4 | |||||
| 1. | 960 | + | 36 | = |
|
| 2. | 310 | + | 88 | = |
|
| 3. | 780 | + | 58 | = |
|
| 4. | 720 | + | 83 | = |
|
| 5. | 780 | + | 38 | = |
|
| 6. | 860 | + | 88 | = |
|
| 7. | 510 | + | 99 | = |
|
| 8. | 920 | + | 73 | = |
|
| 9. | 740 | + | 91 | = |
|
| 10. | 580 | + | 13 | = |
|