Optellen van tientallen en eenheden die over het honderdtal gaan
Erbijsommen
| Oefening 1 | |||||
| 1. | 920 | + | 99 | = |
|
| 2. | 730 | + | 91 | = |
|
| 3. | 250 | + | 45 | = |
|
| 4. | 270 | + | 62 | = |
|
| 5. | 770 | + | 48 | = |
|
| 6. | 660 | + | 34 | = |
|
| 7. | 880 | + | 21 | = |
|
| 8. | 960 | + | 86 | = |
|
| 9. | 970 | + | 75 | = |
|
| 10. | 210 | + | 91 | = |
|
| Oefening 2 | |||||
| 1. | 480 | + | 91 | = |
|
| 2. | 210 | + | 86 | = |
|
| 3. | 250 | + | 96 | = |
|
| 4. | 580 | + | 56 | = |
|
| 5. | 280 | + | 26 | = |
|
| 6. | 250 | + | 73 | = |
|
| 7. | 720 | + | 79 | = |
|
| 8. | 240 | + | 55 | = |
|
| 9. | 180 | + | 21 | = |
|
| 10. | 830 | + | 75 | = |
|
| Oefening 3 | |||||
| 1. | 350 | + | 61 | = |
|
| 2. | 560 | + | 72 | = |
|
| 3. | 250 | + | 68 | = |
|
| 4. | 230 | + | 62 | = |
|
| 5. | 150 | + | 93 | = |
|
| 6. | 740 | + | 85 | = |
|
| 7. | 650 | + | 76 | = |
|
| 8. | 680 | + | 26 | = |
|
| 9. | 230 | + | 91 | = |
|
| 10. | 270 | + | 83 | = |
|
| Oefening 4 | |||||
| 1. | 820 | + | 77 | = |
|
| 2. | 720 | + | 71 | = |
|
| 3. | 160 | + | 45 | = |
|
| 4. | 290 | + | 36 | = |
|
| 5. | 340 | + | 64 | = |
|
| 6. | 120 | + | 88 | = |
|
| 7. | 660 | + | 88 | = |
|
| 8. | 610 | + | 86 | = |
|
| 9. | 550 | + | 93 | = |
|
| 10. | 790 | + | 64 | = |
|