Tientallen/eenheden plus tientallen

Optellen
Oefening 1
1. 46 + 50 =
 
2. 34 + 40 =
 
3. 32 + 60 =
 
4. 83 + 10 =
 
5. 66 + 30 =
 
6. 72 + 20 =
 
7. 81 + 10 =
 
8. 21 + 80 =
 
9. 35 + 20 =
 
10. 88 + 10 =
 
Oefening 2
1. 63 + 30 =
 
2. 82 + 10 =
 
3. 33 + 20 =
 
4. 46 + 10 =
 
5. 14 + 30 =
 
6. 22 + 30 =
 
7. 45 + 10 =
 
8. 56 + 20 =
 
9. 65 + 30 =
 
10. 42 + 30 =
 
Oefening 3
1. 66 + 20 =
 
2. 58 + 40 =
 
3. 76 + 20 =
 
4. 13 + 40 =
 
5. 41 + 20 =
 
6. 53 + 20 =
 
7. 36 + 40 =
 
8. 78 + 10 =
 
9. 77 + 20 =
 
10. 85 + 10 =
 
Oefening 4
1. 64 + 30 =
 
2. 65 + 30 =
 
3. 51 + 20 =
 
4. 45 + 40 =
 
5. 18 + 20 =
 
6. 26 + 70 =
 
7. 16 + 40 =
 
8. 27 + 60 =
 
9. 78 + 10 =
 
10. 32 + 20 =
 

Tientallen/eenheden plus tientallen
| ANTWOORDEN

Optellen
Oefening 1
1. 46 + 50 =
2. 34 + 40 =
3. 32 + 60 =
4. 83 + 10 =
5. 66 + 30 =
6. 72 + 20 =
7. 81 + 10 =
8. 21 + 80 =
9. 35 + 20 =
10. 88 + 10 =
Oefening 2
1. 63 + 30 =
2. 82 + 10 =
3. 33 + 20 =
4. 46 + 10 =
5. 14 + 30 =
6. 22 + 30 =
7. 45 + 10 =
8. 56 + 20 =
9. 65 + 30 =
10. 42 + 30 =
Oefening 3
1. 66 + 20 =
2. 58 + 40 =
3. 76 + 20 =
4. 13 + 40 =
5. 41 + 20 =
6. 53 + 20 =
7. 36 + 40 =
8. 78 + 10 =
9. 77 + 20 =
10. 85 + 10 =
Oefening 4
1. 64 + 30 =
2. 65 + 30 =
3. 51 + 20 =
4. 45 + 40 =
5. 18 + 20 =
6. 26 + 70 =
7. 16 + 40 =
8. 27 + 60 =
9. 78 + 10 =
10. 32 + 20 =