Tientallen en eenheden optellen

Erbijsommen
Oefening 1
1. 70 + 8 =
 
2. 60 + 9 =
 
3. 70 + 7 =
 
4. 90 + 9 =
 
5. 20 + 9 =
 
6. 70 + 8 =
 
7. 50 + 1 =
 
8. 50 + 7 =
 
9. 30 + 2 =
 
10. 40 + 7 =
 
Oefening 2
1. 30 + 7 =
 
2. 20 + 4 =
 
3. 50 + 1 =
 
4. 10 + 8 =
 
5. 30 + 6 =
 
6. 70 + 5 =
 
7. 80 + 6 =
 
8. 40 + 9 =
 
9. 30 + 7 =
 
10. 90 + 9 =
 
Oefening 3
1. 50 + 8 =
 
2. 60 + 8 =
 
3. 60 + 2 =
 
4. 20 + 3 =
 
5. 20 + 2 =
 
6. 10 + 1 =
 
7. 60 + 6 =
 
8. 50 + 5 =
 
9. 30 + 8 =
 
10. 10 + 9 =
 
Oefening 4
1. 40 + 9 =
 
2. 20 + 5 =
 
3. 90 + 6 =
 
4. 60 + 8 =
 
5. 80 + 1 =
 
6. 80 + 5 =
 
7. 70 + 1 =
 
8. 40 + 9 =
 
9. 90 + 9 =
 
10. 40 + 3 =
 

Tientallen en eenheden optellen
| ANTWOORDEN

Erbijsommen
Oefening 1
1. 70 + 8 =
2. 60 + 9 =
3. 70 + 7 =
4. 90 + 9 =
5. 20 + 9 =
6. 70 + 8 =
7. 50 + 1 =
8. 50 + 7 =
9. 30 + 2 =
10. 40 + 7 =
Oefening 2
1. 30 + 7 =
2. 20 + 4 =
3. 50 + 1 =
4. 10 + 8 =
5. 30 + 6 =
6. 70 + 5 =
7. 80 + 6 =
8. 40 + 9 =
9. 30 + 7 =
10. 90 + 9 =
Oefening 3
1. 50 + 8 =
2. 60 + 8 =
3. 60 + 2 =
4. 20 + 3 =
5. 20 + 2 =
6. 10 + 1 =
7. 60 + 6 =
8. 50 + 5 =
9. 30 + 8 =
10. 10 + 9 =
Oefening 4
1. 40 + 9 =
2. 20 + 5 =
3. 90 + 6 =
4. 60 + 8 =
5. 80 + 1 =
6. 80 + 5 =
7. 70 + 1 =
8. 40 + 9 =
9. 90 + 9 =
10. 40 + 3 =