Optellen van tientallen en eenheden die over het honderdtal gaan
Erbijsommen
| Oefening 1 | |||||
| 1. | 190 | + | 77 | = |
|
| 2. | 940 | + | 86 | = |
|
| 3. | 470 | + | 99 | = |
|
| 4. | 840 | + | 99 | = |
|
| 5. | 220 | + | 99 | = |
|
| 6. | 430 | + | 61 | = |
|
| 7. | 260 | + | 44 | = |
|
| 8. | 220 | + | 87 | = |
|
| 9. | 510 | + | 95 | = |
|
| 10. | 150 | + | 94 | = |
|
| Oefening 2 | |||||
| 1. | 560 | + | 65 | = |
|
| 2. | 920 | + | 75 | = |
|
| 3. | 590 | + | 25 | = |
|
| 4. | 840 | + | 73 | = |
|
| 5. | 630 | + | 74 | = |
|
| 6. | 320 | + | 93 | = |
|
| 7. | 610 | + | 83 | = |
|
| 8. | 230 | + | 88 | = |
|
| 9. | 160 | + | 41 | = |
|
| 10. | 130 | + | 82 | = |
|
| Oefening 3 | |||||
| 1. | 910 | + | 99 | = |
|
| 2. | 190 | + | 81 | = |
|
| 3. | 910 | + | 95 | = |
|
| 4. | 330 | + | 83 | = |
|
| 5. | 860 | + | 61 | = |
|
| 6. | 590 | + | 12 | = |
|
| 7. | 810 | + | 93 | = |
|
| 8. | 580 | + | 81 | = |
|
| 9. | 170 | + | 81 | = |
|
| 10. | 250 | + | 92 | = |
|
| Oefening 4 | |||||
| 1. | 920 | + | 76 | = |
|
| 2. | 760 | + | 99 | = |
|
| 3. | 260 | + | 76 | = |
|
| 4. | 170 | + | 98 | = |
|
| 5. | 650 | + | 59 | = |
|
| 6. | 650 | + | 91 | = |
|
| 7. | 950 | + | 99 | = |
|
| 8. | 670 | + | 27 | = |
|
| 9. | 640 | + | 72 | = |
|
| 10. | 110 | + | 83 | = |
|