Tientallen/eenheden plus tientallen

Optellen
Oefening 1
1. 18 + 70 =
 
2. 26 + 60 =
 
3. 34 + 60 =
 
4. 54 + 40 =
 
5. 65 + 20 =
 
6. 65 + 20 =
 
7. 75 + 10 =
 
8. 74 + 20 =
 
9. 14 + 20 =
 
10. 48 + 20 =
 
Oefening 2
1. 64 + 30 =
 
2. 12 + 20 =
 
3. 22 + 70 =
 
4. 53 + 20 =
 
5. 66 + 20 =
 
6. 31 + 30 =
 
7. 28 + 30 =
 
8. 81 + 20 =
 
9. 84 + 10 =
 
10. 63 + 20 =
 
Oefening 3
1. 76 + 20 =
 
2. 71 + 10 =
 
3. 66 + 30 =
 
4. 14 + 70 =
 
5. 33 + 60 =
 
6. 25 + 70 =
 
7. 53 + 50 =
 
8. 22 + 40 =
 
9. 16 + 50 =
 
10. 13 + 70 =
 
Oefening 4
1. 83 + 20 =
 
2. 32 + 40 =
 
3. 75 + 20 =
 
4. 66 + 30 =
 
5. 58 + 40 =
 
6. 66 + 30 =
 
7. 75 + 20 =
 
8. 76 + 20 =
 
9. 28 + 30 =
 
10. 66 + 10 =
 

Tientallen/eenheden plus tientallen
| ANTWOORDEN

Optellen
Oefening 1
1. 18 + 70 =
2. 26 + 60 =
3. 34 + 60 =
4. 54 + 40 =
5. 65 + 20 =
6. 65 + 20 =
7. 75 + 10 =
8. 74 + 20 =
9. 14 + 20 =
10. 48 + 20 =
Oefening 2
1. 64 + 30 =
2. 12 + 20 =
3. 22 + 70 =
4. 53 + 20 =
5. 66 + 20 =
6. 31 + 30 =
7. 28 + 30 =
8. 81 + 20 =
9. 84 + 10 =
10. 63 + 20 =
Oefening 3
1. 76 + 20 =
2. 71 + 10 =
3. 66 + 30 =
4. 14 + 70 =
5. 33 + 60 =
6. 25 + 70 =
7. 53 + 50 =
8. 22 + 40 =
9. 16 + 50 =
10. 13 + 70 =
Oefening 4
1. 83 + 20 =
2. 32 + 40 =
3. 75 + 20 =
4. 66 + 30 =
5. 58 + 40 =
6. 66 + 30 =
7. 75 + 20 =
8. 76 + 20 =
9. 28 + 30 =
10. 66 + 10 =