Optellen van tientallen en eenheden die over het honderdtal gaan
Erbijsommen
| Oefening 1 | |||||
| 1. | 810 | + | 86 | = |
|
| 2. | 570 | + | 76 | = |
|
| 3. | 670 | + | 68 | = |
|
| 4. | 330 | + | 96 | = |
|
| 5. | 280 | + | 25 | = |
|
| 6. | 270 | + | 25 | = |
|
| 7. | 580 | + | 16 | = |
|
| 8. | 680 | + | 76 | = |
|
| 9. | 990 | + | 13 | = |
|
| 10. | 590 | + | 52 | = |
|
| Oefening 2 | |||||
| 1. | 170 | + | 42 | = |
|
| 2. | 370 | + | 95 | = |
|
| 3. | 640 | + | 62 | = |
|
| 4. | 140 | + | 54 | = |
|
| 5. | 840 | + | 84 | = |
|
| 6. | 940 | + | 51 | = |
|
| 7. | 360 | + | 96 | = |
|
| 8. | 250 | + | 95 | = |
|
| 9. | 930 | + | 97 | = |
|
| 10. | 250 | + | 61 | = |
|
| Oefening 3 | |||||
| 1. | 680 | + | 67 | = |
|
| 2. | 440 | + | 86 | = |
|
| 3. | 430 | + | 61 | = |
|
| 4. | 160 | + | 65 | = |
|
| 5. | 710 | + | 87 | = |
|
| 6. | 460 | + | 77 | = |
|
| 7. | 620 | + | 98 | = |
|
| 8. | 570 | + | 85 | = |
|
| 9. | 250 | + | 59 | = |
|
| 10. | 790 | + | 44 | = |
|
| Oefening 4 | |||||
| 1. | 540 | + | 74 | = |
|
| 2. | 410 | + | 87 | = |
|
| 3. | 970 | + | 93 | = |
|
| 4. | 350 | + | 49 | = |
|
| 5. | 490 | + | 48 | = |
|
| 6. | 450 | + | 71 | = |
|
| 7. | 770 | + | 92 | = |
|
| 8. | 950 | + | 52 | = |
|
| 9. | 620 | + | 79 | = |
|
| 10. | 890 | + | 45 | = |
|