Optellen van tientallen en eenheden die over het honderdtal gaan
Erbijsommen
| Oefening 1 | |||||
| 1. | 840 | + | 77 | = |
|
| 2. | 560 | + | 53 | = |
|
| 3. | 660 | + | 34 | = |
|
| 4. | 760 | + | 34 | = |
|
| 5. | 960 | + | 67 | = |
|
| 6. | 670 | + | 78 | = |
|
| 7. | 350 | + | 93 | = |
|
| 8. | 150 | + | 45 | = |
|
| 9. | 160 | + | 81 | = |
|
| 10. | 820 | + | 77 | = |
|
| Oefening 2 | |||||
| 1. | 810 | + | 89 | = |
|
| 2. | 140 | + | 63 | = |
|
| 3. | 430 | + | 72 | = |
|
| 4. | 230 | + | 68 | = |
|
| 5. | 980 | + | 23 | = |
|
| 6. | 780 | + | 72 | = |
|
| 7. | 250 | + | 85 | = |
|
| 8. | 950 | + | 58 | = |
|
| 9. | 540 | + | 81 | = |
|
| 10. | 780 | + | 56 | = |
|
| Oefening 3 | |||||
| 1. | 930 | + | 69 | = |
|
| 2. | 830 | + | 99 | = |
|
| 3. | 240 | + | 86 | = |
|
| 4. | 320 | + | 75 | = |
|
| 5. | 860 | + | 43 | = |
|
| 6. | 480 | + | 73 | = |
|
| 7. | 730 | + | 87 | = |
|
| 8. | 820 | + | 74 | = |
|
| 9. | 780 | + | 18 | = |
|
| 10. | 860 | + | 89 | = |
|
| Oefening 4 | |||||
| 1. | 120 | + | 78 | = |
|
| 2. | 240 | + | 51 | = |
|
| 3. | 470 | + | 69 | = |
|
| 4. | 450 | + | 69 | = |
|
| 5. | 640 | + | 87 | = |
|
| 6. | 390 | + | 99 | = |
|
| 7. | 310 | + | 87 | = |
|
| 8. | 190 | + | 78 | = |
|
| 9. | 250 | + | 73 | = |
|
| 10. | 940 | + | 81 | = |
|