Optellen van tientallen en eenheden die over het honderdtal gaan
Erbijsommen
| Oefening 1 | |||||
| 1. | 280 | + | 53 | = |
|
| 2. | 250 | + | 47 | = |
|
| 3. | 790 | + | 39 | = |
|
| 4. | 160 | + | 78 | = |
|
| 5. | 210 | + | 97 | = |
|
| 6. | 460 | + | 35 | = |
|
| 7. | 490 | + | 9 | = |
|
| 8. | 290 | + | 99 | = |
|
| 9. | 260 | + | 34 | = |
|
| 10. | 620 | + | 72 | = |
|
| Oefening 2 | |||||
| 1. | 460 | + | 77 | = |
|
| 2. | 320 | + | 86 | = |
|
| 3. | 160 | + | 33 | = |
|
| 4. | 720 | + | 79 | = |
|
| 5. | 460 | + | 91 | = |
|
| 6. | 170 | + | 39 | = |
|
| 7. | 260 | + | 77 | = |
|
| 8. | 610 | + | 85 | = |
|
| 9. | 330 | + | 83 | = |
|
| 10. | 260 | + | 88 | = |
|
| Oefening 3 | |||||
| 1. | 920 | + | 99 | = |
|
| 2. | 130 | + | 68 | = |
|
| 3. | 970 | + | 74 | = |
|
| 4. | 470 | + | 31 | = |
|
| 5. | 210 | + | 83 | = |
|
| 6. | 480 | + | 62 | = |
|
| 7. | 360 | + | 34 | = |
|
| 8. | 690 | + | 54 | = |
|
| 9. | 160 | + | 32 | = |
|
| 10. | 220 | + | 71 | = |
|
| Oefening 4 | |||||
| 1. | 940 | + | 64 | = |
|
| 2. | 430 | + | 62 | = |
|
| 3. | 380 | + | 39 | = |
|
| 4. | 530 | + | 74 | = |
|
| 5. | 480 | + | 79 | = |
|
| 6. | 690 | + | 37 | = |
|
| 7. | 630 | + | 74 | = |
|
| 8. | 290 | + | 3 | = |
|
| 9. | 680 | + | 43 | = |
|
| 10. | 260 | + | 93 | = |
|