Tientallen aftrekken van tientallen

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

Tientallen aftrekken van tientallen
| ANTWOORDEN

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