Optellen van tientallen en eenheden die over het honderdtal gaan
Erbijsommen
| Oefening 1 | |||||
| 1. | 980 | + | 27 | = |
|
| 2. | 970 | + | 82 | = |
|
| 3. | 660 | + | 61 | = |
|
| 4. | 940 | + | 59 | = |
|
| 5. | 450 | + | 56 | = |
|
| 6. | 440 | + | 58 | = |
|
| 7. | 760 | + | 79 | = |
|
| 8. | 710 | + | 88 | = |
|
| 9. | 490 | + | 26 | = |
|
| 10. | 320 | + | 84 | = |
|
| Oefening 2 | |||||
| 1. | 310 | + | 89 | = |
|
| 2. | 260 | + | 83 | = |
|
| 3. | 140 | + | 51 | = |
|
| 4. | 570 | + | 78 | = |
|
| 5. | 990 | + | 4 | = |
|
| 6. | 170 | + | 95 | = |
|
| 7. | 110 | + | 85 | = |
|
| 8. | 580 | + | 57 | = |
|
| 9. | 910 | + | 85 | = |
|
| 10. | 620 | + | 88 | = |
|
| Oefening 3 | |||||
| 1. | 230 | + | 69 | = |
|
| 2. | 370 | + | 63 | = |
|
| 3. | 550 | + | 95 | = |
|
| 4. | 740 | + | 87 | = |
|
| 5. | 770 | + | 78 | = |
|
| 6. | 390 | + | 43 | = |
|
| 7. | 660 | + | 54 | = |
|
| 8. | 970 | + | 46 | = |
|
| 9. | 230 | + | 93 | = |
|
| 10. | 950 | + | 94 | = |
|
| Oefening 4 | |||||
| 1. | 630 | + | 71 | = |
|
| 2. | 620 | + | 75 | = |
|
| 3. | 520 | + | 97 | = |
|
| 4. | 790 | + | 6 | = |
|
| 5. | 460 | + | 96 | = |
|
| 6. | 790 | + | 6 | = |
|
| 7. | 260 | + | 36 | = |
|
| 8. | 670 | + | 96 | = |
|
| 9. | 320 | + | 89 | = |
|
| 10. | 230 | + | 68 | = |
|