Optellen van tientallen en eenheden die over het honderdtal gaan
Erbijsommen
| Oefening 1 | |||||
| 1. | 470 | + | 75 | = |
|
| 2. | 770 | + | 92 | = |
|
| 3. | 370 | + | 62 | = |
|
| 4. | 590 | + | 47 | = |
|
| 5. | 880 | + | 94 | = |
|
| 6. | 230 | + | 86 | = |
|
| 7. | 790 | + | 84 | = |
|
| 8. | 620 | + | 75 | = |
|
| 9. | 380 | + | 65 | = |
|
| 10. | 590 | + | 21 | = |
|
| Oefening 2 | |||||
| 1. | 910 | + | 83 | = |
|
| 2. | 270 | + | 47 | = |
|
| 3. | 420 | + | 88 | = |
|
| 4. | 520 | + | 93 | = |
|
| 5. | 450 | + | 71 | = |
|
| 6. | 480 | + | 45 | = |
|
| 7. | 540 | + | 53 | = |
|
| 8. | 940 | + | 85 | = |
|
| 9. | 240 | + | 77 | = |
|
| 10. | 120 | + | 87 | = |
|
| Oefening 3 | |||||
| 1. | 720 | + | 95 | = |
|
| 2. | 330 | + | 96 | = |
|
| 3. | 770 | + | 82 | = |
|
| 4. | 210 | + | 96 | = |
|
| 5. | 360 | + | 44 | = |
|
| 6. | 150 | + | 59 | = |
|
| 7. | 120 | + | 79 | = |
|
| 8. | 630 | + | 99 | = |
|
| 9. | 330 | + | 95 | = |
|
| 10. | 160 | + | 45 | = |
|
| Oefening 4 | |||||
| 1. | 370 | + | 53 | = |
|
| 2. | 610 | + | 86 | = |
|
| 3. | 550 | + | 87 | = |
|
| 4. | 750 | + | 52 | = |
|
| 5. | 550 | + | 87 | = |
|
| 6. | 350 | + | 87 | = |
|
| 7. | 660 | + | 51 | = |
|
| 8. | 880 | + | 69 | = |
|
| 9. | 860 | + | 67 | = |
|
| 10. | 490 | + | 76 | = |
|