Tientallen aftrekken van tientallen

Erafsommen
Oefening 1
1. 80 - 30 =
 
2. 30 - 20 =
 
3. 70 - 50 =
 
4. 80 - 20 =
 
5. 20 - 20 =
 
6. 60 - 60 =
 
7. 50 - 20 =
 
8. 10 - 10 =
 
9. 80 - 60 =
 
10. 20 - 10 =
 
Oefening 2
1. 20 - 20 =
 
2. 60 - 40 =
 
3. 60 - 30 =
 
4. 30 - 10 =
 
5. 20 - 10 =
 
6. 80 - 20 =
 
7. 20 - 20 =
 
8. 50 - 50 =
 
9. 50 - 40 =
 
10. 80 - 40 =
 
Oefening 3
1. 40 - 10 =
 
2. 40 - 10 =
 
3. 60 - 60 =
 
4. 30 - 20 =
 
5. 80 - 80 =
 
6. 60 - 40 =
 
7. 80 - 60 =
 
8. 50 - 30 =
 
9. 10 - 10 =
 
10. 10 - 10 =
 
Oefening 4
1. 30 - 10 =
 
2. 30 - 10 =
 
3. 60 - 20 =
 
4. 70 - 50 =
 
5. 40 - 10 =
 
6. 70 - 20 =
 
7. 60 - 50 =
 
8. 80 - 60 =
 
9. 60 - 20 =
 
10. 60 - 30 =
 

Tientallen aftrekken van tientallen
| ANTWOORDEN

Erafsommen
Oefening 1
1. 80 - 30 =
2. 30 - 20 =
3. 70 - 50 =
4. 80 - 20 =
5. 20 - 20 =
6. 60 - 60 =
7. 50 - 20 =
8. 10 - 10 =
9. 80 - 60 =
10. 20 - 10 =
Oefening 2
1. 20 - 20 =
2. 60 - 40 =
3. 60 - 30 =
4. 30 - 10 =
5. 20 - 10 =
6. 80 - 20 =
7. 20 - 20 =
8. 50 - 50 =
9. 50 - 40 =
10. 80 - 40 =
Oefening 3
1. 40 - 10 =
2. 40 - 10 =
3. 60 - 60 =
4. 30 - 20 =
5. 80 - 80 =
6. 60 - 40 =
7. 80 - 60 =
8. 50 - 30 =
9. 10 - 10 =
10. 10 - 10 =
Oefening 4
1. 30 - 10 =
2. 30 - 10 =
3. 60 - 20 =
4. 70 - 50 =
5. 40 - 10 =
6. 70 - 20 =
7. 60 - 50 =
8. 80 - 60 =
9. 60 - 20 =
10. 60 - 30 =