Optellen van tientallen en eenheden die over het honderdtal gaan
Erbijsommen
| Oefening 1 | |||||
| 1. | 170 | + | 23 | = |
|
| 2. | 250 | + | 54 | = |
|
| 3. | 980 | + | 11 | = |
|
| 4. | 230 | + | 79 | = |
|
| 5. | 740 | + | 59 | = |
|
| 6. | 180 | + | 51 | = |
|
| 7. | 860 | + | 49 | = |
|
| 8. | 130 | + | 86 | = |
|
| 9. | 650 | + | 67 | = |
|
| 10. | 960 | + | 54 | = |
|
| Oefening 2 | |||||
| 1. | 590 | + | 68 | = |
|
| 2. | 380 | + | 92 | = |
|
| 3. | 710 | + | 88 | = |
|
| 4. | 460 | + | 83 | = |
|
| 5. | 650 | + | 96 | = |
|
| 6. | 920 | + | 73 | = |
|
| 7. | 390 | + | 1 | = |
|
| 8. | 960 | + | 75 | = |
|
| 9. | 210 | + | 98 | = |
|
| 10. | 680 | + | 67 | = |
|
| Oefening 3 | |||||
| 1. | 130 | + | 98 | = |
|
| 2. | 310 | + | 99 | = |
|
| 3. | 780 | + | 97 | = |
|
| 4. | 210 | + | 84 | = |
|
| 5. | 240 | + | 78 | = |
|
| 6. | 840 | + | 71 | = |
|
| 7. | 140 | + | 53 | = |
|
| 8. | 190 | + | 43 | = |
|
| 9. | 410 | + | 88 | = |
|
| 10. | 340 | + | 61 | = |
|
| Oefening 4 | |||||
| 1. | 210 | + | 92 | = |
|
| 2. | 910 | + | 85 | = |
|
| 3. | 340 | + | 77 | = |
|
| 4. | 780 | + | 29 | = |
|
| 5. | 610 | + | 83 | = |
|
| 6. | 560 | + | 35 | = |
|
| 7. | 250 | + | 81 | = |
|
| 8. | 820 | + | 92 | = |
|
| 9. | 970 | + | 56 | = |
|
| 10. | 540 | + | 82 | = |
|