Optellen van tientallen en eenheden die over het honderdtal gaan
Erbijsommen
| Oefening 1 | |||||
| 1. | 590 | + | 41 | = |
|
| 2. | 720 | + | 87 | = |
|
| 3. | 870 | + | 62 | = |
|
| 4. | 320 | + | 77 | = |
|
| 5. | 570 | + | 68 | = |
|
| 6. | 790 | + | 13 | = |
|
| 7. | 650 | + | 49 | = |
|
| 8. | 680 | + | 99 | = |
|
| 9. | 560 | + | 88 | = |
|
| 10. | 820 | + | 89 | = |
|
| Oefening 2 | |||||
| 1. | 370 | + | 39 | = |
|
| 2. | 240 | + | 77 | = |
|
| 3. | 610 | + | 91 | = |
|
| 4. | 630 | + | 84 | = |
|
| 5. | 580 | + | 66 | = |
|
| 6. | 610 | + | 91 | = |
|
| 7. | 240 | + | 95 | = |
|
| 8. | 890 | + | 3 | = |
|
| 9. | 620 | + | 81 | = |
|
| 10. | 590 | + | 48 | = |
|
| Oefening 3 | |||||
| 1. | 550 | + | 42 | = |
|
| 2. | 880 | + | 42 | = |
|
| 3. | 650 | + | 54 | = |
|
| 4. | 250 | + | 59 | = |
|
| 5. | 610 | + | 97 | = |
|
| 6. | 210 | + | 98 | = |
|
| 7. | 240 | + | 62 | = |
|
| 8. | 680 | + | 41 | = |
|
| 9. | 660 | + | 85 | = |
|
| 10. | 210 | + | 81 | = |
|
| Oefening 4 | |||||
| 1. | 480 | + | 49 | = |
|
| 2. | 150 | + | 64 | = |
|
| 3. | 160 | + | 38 | = |
|
| 4. | 140 | + | 51 | = |
|
| 5. | 650 | + | 82 | = |
|
| 6. | 540 | + | 96 | = |
|
| 7. | 880 | + | 74 | = |
|
| 8. | 140 | + | 76 | = |
|
| 9. | 350 | + | 42 | = |
|
| 10. | 350 | + | 53 | = |
|