Optellen van tientallen en eenheden die over het honderdtal gaan
Erbijsommen
| Oefening 1 | |||||
| 1. | 360 | + | 57 | = |
|
| 2. | 710 | + | 91 | = |
|
| 3. | 840 | + | 87 | = |
|
| 4. | 470 | + | 52 | = |
|
| 5. | 130 | + | 77 | = |
|
| 6. | 690 | + | 61 | = |
|
| 7. | 630 | + | 71 | = |
|
| 8. | 520 | + | 72 | = |
|
| 9. | 810 | + | 81 | = |
|
| 10. | 690 | + | 9 | = |
|
| Oefening 2 | |||||
| 1. | 420 | + | 83 | = |
|
| 2. | 570 | + | 47 | = |
|
| 3. | 240 | + | 55 | = |
|
| 4. | 640 | + | 79 | = |
|
| 5. | 250 | + | 89 | = |
|
| 6. | 150 | + | 85 | = |
|
| 7. | 620 | + | 91 | = |
|
| 8. | 650 | + | 55 | = |
|
| 9. | 430 | + | 63 | = |
|
| 10. | 550 | + | 44 | = |
|
| Oefening 3 | |||||
| 1. | 330 | + | 96 | = |
|
| 2. | 420 | + | 95 | = |
|
| 3. | 750 | + | 92 | = |
|
| 4. | 920 | + | 72 | = |
|
| 5. | 830 | + | 88 | = |
|
| 6. | 270 | + | 35 | = |
|
| 7. | 130 | + | 73 | = |
|
| 8. | 140 | + | 57 | = |
|
| 9. | 330 | + | 76 | = |
|
| 10. | 650 | + | 91 | = |
|
| Oefening 4 | |||||
| 1. | 570 | + | 74 | = |
|
| 2. | 130 | + | 67 | = |
|
| 3. | 630 | + | 84 | = |
|
| 4. | 540 | + | 87 | = |
|
| 5. | 160 | + | 77 | = |
|
| 6. | 770 | + | 33 | = |
|
| 7. | 850 | + | 69 | = |
|
| 8. | 470 | + | 42 | = |
|
| 9. | 240 | + | 93 | = |
|
| 10. | 930 | + | 69 | = |
|