Tientallen/eenheden plus tientallen

Optellen
Oefening 1
1. 27 + 40 =
 
2. 46 + 50 =
 
3. 64 + 20 =
 
4. 78 + 10 =
 
5. 51 + 40 =
 
6. 52 + 40 =
 
7. 22 + 50 =
 
8. 16 + 10 =
 
9. 74 + 20 =
 
10. 76 + 20 =
 
Oefening 2
1. 31 + 30 =
 
2. 16 + 60 =
 
3. 64 + 10 =
 
4. 68 + 10 =
 
5. 82 + 20 =
 
6. 78 + 10 =
 
7. 87 + 10 =
 
8. 55 + 40 =
 
9. 83 + 10 =
 
10. 11 + 50 =
 
Oefening 3
1. 25 + 60 =
 
2. 16 + 70 =
 
3. 31 + 60 =
 
4. 47 + 30 =
 
5. 33 + 20 =
 
6. 64 + 20 =
 
7. 37 + 50 =
 
8. 72 + 30 =
 
9. 13 + 50 =
 
10. 65 + 20 =
 
Oefening 4
1. 68 + 10 =
 
2. 32 + 60 =
 
3. 18 + 50 =
 
4. 18 + 50 =
 
5. 34 + 60 =
 
6. 24 + 30 =
 
7. 61 + 40 =
 
8. 26 + 20 =
 
9. 57 + 30 =
 
10. 56 + 20 =
 

Tientallen/eenheden plus tientallen
| ANTWOORDEN

Optellen
Oefening 1
1. 27 + 40 =
2. 46 + 50 =
3. 64 + 20 =
4. 78 + 10 =
5. 51 + 40 =
6. 52 + 40 =
7. 22 + 50 =
8. 16 + 10 =
9. 74 + 20 =
10. 76 + 20 =
Oefening 2
1. 31 + 30 =
2. 16 + 60 =
3. 64 + 10 =
4. 68 + 10 =
5. 82 + 20 =
6. 78 + 10 =
7. 87 + 10 =
8. 55 + 40 =
9. 83 + 10 =
10. 11 + 50 =
Oefening 3
1. 25 + 60 =
2. 16 + 70 =
3. 31 + 60 =
4. 47 + 30 =
5. 33 + 20 =
6. 64 + 20 =
7. 37 + 50 =
8. 72 + 30 =
9. 13 + 50 =
10. 65 + 20 =
Oefening 4
1. 68 + 10 =
2. 32 + 60 =
3. 18 + 50 =
4. 18 + 50 =
5. 34 + 60 =
6. 24 + 30 =
7. 61 + 40 =
8. 26 + 20 =
9. 57 + 30 =
10. 56 + 20 =