Optellen van tientallen en eenheden die over het honderdtal gaan
Erbijsommen
| Oefening 1 | |||||
| 1. | 550 | + | 68 | = |
|
| 2. | 280 | + | 99 | = |
|
| 3. | 640 | + | 82 | = |
|
| 4. | 720 | + | 94 | = |
|
| 5. | 410 | + | 94 | = |
|
| 6. | 740 | + | 93 | = |
|
| 7. | 560 | + | 44 | = |
|
| 8. | 940 | + | 94 | = |
|
| 9. | 430 | + | 87 | = |
|
| 10. | 320 | + | 78 | = |
|
| Oefening 2 | |||||
| 1. | 730 | + | 79 | = |
|
| 2. | 490 | + | 68 | = |
|
| 3. | 270 | + | 33 | = |
|
| 4. | 930 | + | 81 | = |
|
| 5. | 720 | + | 79 | = |
|
| 6. | 250 | + | 48 | = |
|
| 7. | 470 | + | 56 | = |
|
| 8. | 890 | + | 63 | = |
|
| 9. | 350 | + | 78 | = |
|
| 10. | 540 | + | 71 | = |
|
| Oefening 3 | |||||
| 1. | 230 | + | 85 | = |
|
| 2. | 620 | + | 79 | = |
|
| 3. | 630 | + | 92 | = |
|
| 4. | 340 | + | 53 | = |
|
| 5. | 910 | + | 84 | = |
|
| 6. | 540 | + | 89 | = |
|
| 7. | 870 | + | 85 | = |
|
| 8. | 840 | + | 73 | = |
|
| 9. | 250 | + | 61 | = |
|
| 10. | 550 | + | 97 | = |
|
| Oefening 4 | |||||
| 1. | 320 | + | 73 | = |
|
| 2. | 550 | + | 89 | = |
|
| 3. | 560 | + | 63 | = |
|
| 4. | 470 | + | 57 | = |
|
| 5. | 730 | + | 73 | = |
|
| 6. | 630 | + | 75 | = |
|
| 7. | 260 | + | 99 | = |
|
| 8. | 110 | + | 84 | = |
|
| 9. | 270 | + | 99 | = |
|
| 10. | 590 | + | 72 | = |
|