Optellen van tientallen en eenheden die over het honderdtal gaan
Erbijsommen
| Oefening 1 | |||||
| 1. | 320 | + | 97 | = |
|
| 2. | 610 | + | 95 | = |
|
| 3. | 510 | + | 94 | = |
|
| 4. | 660 | + | 97 | = |
|
| 5. | 120 | + | 76 | = |
|
| 6. | 840 | + | 64 | = |
|
| 7. | 320 | + | 89 | = |
|
| 8. | 820 | + | 91 | = |
|
| 9. | 930 | + | 75 | = |
|
| 10. | 630 | + | 64 | = |
|
| Oefening 2 | |||||
| 1. | 420 | + | 87 | = |
|
| 2. | 370 | + | 88 | = |
|
| 3. | 870 | + | 55 | = |
|
| 4. | 860 | + | 43 | = |
|
| 5. | 960 | + | 97 | = |
|
| 6. | 940 | + | 69 | = |
|
| 7. | 870 | + | 48 | = |
|
| 8. | 550 | + | 98 | = |
|
| 9. | 180 | + | 18 | = |
|
| 10. | 650 | + | 55 | = |
|
| Oefening 3 | |||||
| 1. | 190 | + | 45 | = |
|
| 2. | 950 | + | 46 | = |
|
| 3. | 690 | + | 4 | = |
|
| 4. | 170 | + | 71 | = |
|
| 5. | 990 | + | 86 | = |
|
| 6. | 480 | + | 86 | = |
|
| 7. | 820 | + | 87 | = |
|
| 8. | 390 | + | 68 | = |
|
| 9. | 540 | + | 85 | = |
|
| 10. | 980 | + | 91 | = |
|
| Oefening 4 | |||||
| 1. | 780 | + | 33 | = |
|
| 2. | 740 | + | 55 | = |
|
| 3. | 950 | + | 59 | = |
|
| 4. | 550 | + | 69 | = |
|
| 5. | 370 | + | 29 | = |
|
| 6. | 860 | + | 78 | = |
|
| 7. | 310 | + | 97 | = |
|
| 8. | 430 | + | 91 | = |
|
| 9. | 480 | + | 79 | = |
|
| 10. | 260 | + | 97 | = |
|