Optellen van tientallen en eenheden die over het honderdtal gaan
Erbijsommen
| Oefening 1 | |||||
| 1. | 610 | + | 89 | = |
|
| 2. | 690 | + | 34 | = |
|
| 3. | 270 | + | 31 | = |
|
| 4. | 390 | + | 9 | = |
|
| 5. | 740 | + | 89 | = |
|
| 6. | 880 | + | 17 | = |
|
| 7. | 890 | + | 88 | = |
|
| 8. | 730 | + | 83 | = |
|
| 9. | 580 | + | 11 | = |
|
| 10. | 590 | + | 33 | = |
|
| Oefening 2 | |||||
| 1. | 690 | + | 27 | = |
|
| 2. | 940 | + | 56 | = |
|
| 3. | 690 | + | 73 | = |
|
| 4. | 880 | + | 79 | = |
|
| 5. | 840 | + | 87 | = |
|
| 6. | 240 | + | 56 | = |
|
| 7. | 890 | + | 6 | = |
|
| 8. | 790 | + | 92 | = |
|
| 9. | 910 | + | 93 | = |
|
| 10. | 850 | + | 86 | = |
|
| Oefening 3 | |||||
| 1. | 140 | + | 64 | = |
|
| 2. | 710 | + | 94 | = |
|
| 3. | 360 | + | 72 | = |
|
| 4. | 840 | + | 73 | = |
|
| 5. | 980 | + | 64 | = |
|
| 6. | 560 | + | 37 | = |
|
| 7. | 330 | + | 89 | = |
|
| 8. | 680 | + | 69 | = |
|
| 9. | 860 | + | 48 | = |
|
| 10. | 970 | + | 54 | = |
|
| Oefening 4 | |||||
| 1. | 950 | + | 96 | = |
|
| 2. | 160 | + | 89 | = |
|
| 3. | 380 | + | 64 | = |
|
| 4. | 630 | + | 87 | = |
|
| 5. | 420 | + | 75 | = |
|
| 6. | 440 | + | 81 | = |
|
| 7. | 770 | + | 63 | = |
|
| 8. | 850 | + | 65 | = |
|
| 9. | 270 | + | 79 | = |
|
| 10. | 670 | + | 36 | = |
|