Optellen van tientallen en eenheden die over het honderdtal gaan
Erbijsommen
| Oefening 1 | |||||
| 1. | 960 | + | 47 | = |
|
| 2. | 750 | + | 62 | = |
|
| 3. | 440 | + | 79 | = |
|
| 4. | 110 | + | 85 | = |
|
| 5. | 880 | + | 99 | = |
|
| 6. | 690 | + | 93 | = |
|
| 7. | 550 | + | 97 | = |
|
| 8. | 690 | + | 84 | = |
|
| 9. | 260 | + | 33 | = |
|
| 10. | 440 | + | 69 | = |
|
| Oefening 2 | |||||
| 1. | 160 | + | 84 | = |
|
| 2. | 150 | + | 91 | = |
|
| 3. | 390 | + | 31 | = |
|
| 4. | 170 | + | 49 | = |
|
| 5. | 590 | + | 59 | = |
|
| 6. | 560 | + | 76 | = |
|
| 7. | 990 | + | 96 | = |
|
| 8. | 650 | + | 47 | = |
|
| 9. | 740 | + | 63 | = |
|
| 10. | 360 | + | 82 | = |
|
| Oefening 3 | |||||
| 1. | 280 | + | 88 | = |
|
| 2. | 650 | + | 52 | = |
|
| 3. | 890 | + | 98 | = |
|
| 4. | 790 | + | 93 | = |
|
| 5. | 240 | + | 69 | = |
|
| 6. | 490 | + | 62 | = |
|
| 7. | 720 | + | 94 | = |
|
| 8. | 920 | + | 75 | = |
|
| 9. | 140 | + | 64 | = |
|
| 10. | 920 | + | 96 | = |
|
| Oefening 4 | |||||
| 1. | 970 | + | 66 | = |
|
| 2. | 620 | + | 78 | = |
|
| 3. | 820 | + | 96 | = |
|
| 4. | 770 | + | 63 | = |
|
| 5. | 410 | + | 96 | = |
|
| 6. | 610 | + | 87 | = |
|
| 7. | 620 | + | 82 | = |
|
| 8. | 280 | + | 64 | = |
|
| 9. | 880 | + | 25 | = |
|
| 10. | 820 | + | 71 | = |
|