Erbijsommen tot 100
Optellen
| Oefening 1 | |||||
| 1. | 43 | + | 31 | = |
|
| 2. | 45 | + | 30 | = |
|
| 3. | 18 | + | 2 | = |
|
| 4. | 20 | + | 3 | = |
|
| 5. | 43 | + | 6 | = |
|
| 6. | 37 | + | 9 | = |
|
| 7. | 36 | + | 27 | = |
|
| 8. | 47 | + | 45 | = |
|
| 9. | 43 | + | 9 | = |
|
| 10. | 32 | + | 14 | = |
|
| Oefening 2 | |||||
| 1. | 48 | + | 10 | = |
|
| 2. | 44 | + | 4 | = |
|
| 3. | 48 | + | 4 | = |
|
| 4. | 45 | + | 32 | = |
|
| 5. | 43 | + | 5 | = |
|
| 6. | 7 | + | 4 | = |
|
| 7. | 49 | + | 33 | = |
|
| 8. | 29 | + | 14 | = |
|
| 9. | 48 | + | 27 | = |
|
| 10. | 46 | + | 14 | = |
|
| Oefening 3 | |||||
| 1. | 13 | + | 9 | = |
|
| 2. | 42 | + | 21 | = |
|
| 3. | 25 | + | 22 | = |
|
| 4. | 24 | + | 9 | = |
|
| 5. | 46 | + | 40 | = |
|
| 6. | 38 | + | 2 | = |
|
| 7. | 16 | + | 4 | = |
|
| 8. | 9 | + | 5 | = |
|
| 9. | 50 | + | 38 | = |
|
| 10. | 43 | + | 38 | = |
|
| Oefening 4 | |||||
| 1. | 48 | + | 43 | = |
|
| 2. | 8 | + | 3 | = |
|
| 3. | 43 | + | 16 | = |
|
| 4. | 32 | + | 10 | = |
|
| 5. | 46 | + | 19 | = |
|
| 6. | 42 | + | 20 | = |
|
| 7. | 46 | + | 21 | = |
|
| 8. | 45 | + | 32 | = |
|
| 9. | 48 | + | 22 | = |
|
| 10. | 22 | + | 17 | = |
|