Optellen van tientallen en eenheden die over het honderdtal gaan
Erbijsommen
| Oefening 1 | |||||
| 1. | 660 | + | 54 | = |
|
| 2. | 520 | + | 77 | = |
|
| 3. | 440 | + | 54 | = |
|
| 4. | 720 | + | 72 | = |
|
| 5. | 420 | + | 89 | = |
|
| 6. | 540 | + | 56 | = |
|
| 7. | 680 | + | 17 | = |
|
| 8. | 550 | + | 57 | = |
|
| 9. | 750 | + | 51 | = |
|
| 10. | 980 | + | 11 | = |
|
| Oefening 2 | |||||
| 1. | 770 | + | 69 | = |
|
| 2. | 830 | + | 88 | = |
|
| 3. | 710 | + | 83 | = |
|
| 4. | 180 | + | 41 | = |
|
| 5. | 410 | + | 96 | = |
|
| 6. | 490 | + | 93 | = |
|
| 7. | 160 | + | 97 | = |
|
| 8. | 360 | + | 95 | = |
|
| 9. | 220 | + | 82 | = |
|
| 10. | 110 | + | 94 | = |
|
| Oefening 3 | |||||
| 1. | 740 | + | 64 | = |
|
| 2. | 620 | + | 92 | = |
|
| 3. | 220 | + | 75 | = |
|
| 4. | 280 | + | 69 | = |
|
| 5. | 120 | + | 94 | = |
|
| 6. | 650 | + | 55 | = |
|
| 7. | 140 | + | 86 | = |
|
| 8. | 470 | + | 82 | = |
|
| 9. | 470 | + | 52 | = |
|
| 10. | 680 | + | 28 | = |
|
| Oefening 4 | |||||
| 1. | 890 | + | 36 | = |
|
| 2. | 860 | + | 65 | = |
|
| 3. | 210 | + | 92 | = |
|
| 4. | 470 | + | 94 | = |
|
| 5. | 250 | + | 98 | = |
|
| 6. | 360 | + | 33 | = |
|
| 7. | 280 | + | 72 | = |
|
| 8. | 450 | + | 98 | = |
|
| 9. | 150 | + | 88 | = |
|
| 10. | 150 | + | 81 | = |
|