Optellen van tientallen en eenheden die over het honderdtal gaan
Erbijsommen
| Oefening 1 | |||||
| 1. | 680 | + | 64 | = |
|
| 2. | 780 | + | 67 | = |
|
| 3. | 570 | + | 25 | = |
|
| 4. | 710 | + | 99 | = |
|
| 5. | 990 | + | 46 | = |
|
| 6. | 420 | + | 71 | = |
|
| 7. | 380 | + | 63 | = |
|
| 8. | 390 | + | 35 | = |
|
| 9. | 580 | + | 71 | = |
|
| 10. | 390 | + | 67 | = |
|
| Oefening 2 | |||||
| 1. | 730 | + | 77 | = |
|
| 2. | 360 | + | 99 | = |
|
| 3. | 610 | + | 91 | = |
|
| 4. | 220 | + | 76 | = |
|
| 5. | 910 | + | 97 | = |
|
| 6. | 140 | + | 85 | = |
|
| 7. | 220 | + | 83 | = |
|
| 8. | 450 | + | 84 | = |
|
| 9. | 140 | + | 68 | = |
|
| 10. | 750 | + | 76 | = |
|
| Oefening 3 | |||||
| 1. | 130 | + | 77 | = |
|
| 2. | 320 | + | 85 | = |
|
| 3. | 190 | + | 32 | = |
|
| 4. | 960 | + | 86 | = |
|
| 5. | 490 | + | 59 | = |
|
| 6. | 410 | + | 89 | = |
|
| 7. | 560 | + | 68 | = |
|
| 8. | 690 | + | 7 | = |
|
| 9. | 270 | + | 79 | = |
|
| 10. | 630 | + | 71 | = |
|
| Oefening 4 | |||||
| 1. | 320 | + | 93 | = |
|
| 2. | 460 | + | 77 | = |
|
| 3. | 370 | + | 88 | = |
|
| 4. | 210 | + | 94 | = |
|
| 5. | 260 | + | 36 | = |
|
| 6. | 730 | + | 92 | = |
|
| 7. | 940 | + | 96 | = |
|
| 8. | 380 | + | 21 | = |
|
| 9. | 530 | + | 81 | = |
|
| 10. | 470 | + | 77 | = |
|