Tientallen aftrekken van tientallen

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

Tientallen aftrekken van tientallen
| ANTWOORDEN

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