Erbijsommen tot 100
Optellen
| Oefening 1 | |||||
| 1. | 36 | + | 12 | = |
|
| 2. | 47 | + | 42 | = |
|
| 3. | 50 | + | 43 | = |
|
| 4. | 22 | + | 17 | = |
|
| 5. | 38 | + | 31 | = |
|
| 6. | 20 | + | 16 | = |
|
| 7. | 37 | + | 35 | = |
|
| 8. | 41 | + | 39 | = |
|
| 9. | 41 | + | 20 | = |
|
| 10. | 38 | + | 13 | = |
|
| Oefening 2 | |||||
| 1. | 25 | + | 14 | = |
|
| 2. | 34 | + | 30 | = |
|
| 3. | 47 | + | 31 | = |
|
| 4. | 37 | + | 28 | = |
|
| 5. | 43 | + | 22 | = |
|
| 6. | 45 | + | 20 | = |
|
| 7. | 44 | + | 42 | = |
|
| 8. | 48 | + | 38 | = |
|
| 9. | 49 | + | 46 | = |
|
| 10. | 35 | + | 24 | = |
|
| Oefening 3 | |||||
| 1. | 44 | + | 13 | = |
|
| 2. | 26 | + | 25 | = |
|
| 3. | 19 | + | 18 | = |
|
| 4. | 50 | + | 38 | = |
|
| 5. | 28 | + | 14 | = |
|
| 6. | 38 | + | 16 | = |
|
| 7. | 48 | + | 11 | = |
|
| 8. | 37 | + | 31 | = |
|
| 9. | 45 | + | 25 | = |
|
| 10. | 42 | + | 16 | = |
|
| Oefening 4 | |||||
| 1. | 28 | + | 23 | = |
|
| 2. | 36 | + | 20 | = |
|
| 3. | 21 | + | 14 | = |
|
| 4. | 46 | + | 12 | = |
|
| 5. | 38 | + | 33 | = |
|
| 6. | 41 | + | 22 | = |
|
| 7. | 24 | + | 24 | = |
|
| 8. | 50 | + | 45 | = |
|
| 9. | 47 | + | 30 | = |
|
| 10. | 41 | + | 15 | = |
|