Tientallen/eenheden plus tientallen

Erbijsommen
Oefening 1
1. 18 + 70 =
 
2. 38 + 60 =
 
3. 22 + 20 =
 
4. 68 + 20 =
 
5. 46 + 30 =
 
6. 74 + 20 =
 
7. 61 + 20 =
 
8. 55 + 30 =
 
9. 37 + 20 =
 
10. 11 + 40 =
 
Oefening 2
1. 67 + 20 =
 
2. 58 + 30 =
 
3. 34 + 30 =
 
4. 18 + 30 =
 
5. 17 + 60 =
 
6. 43 + 50 =
 
7. 32 + 20 =
 
8. 47 + 10 =
 
9. 12 + 30 =
 
10. 83 + 10 =
 
Oefening 3
1. 76 + 10 =
 
2. 85 + 10 =
 
3. 27 + 50 =
 
4. 82 + 20 =
 
5. 85 + 20 =
 
6. 28 + 50 =
 
7. 58 + 30 =
 
8. 54 + 40 =
 
9. 17 + 60 =
 
10. 35 + 60 =
 
Oefening 4
1. 73 + 20 =
 
2. 16 + 70 =
 
3. 47 + 30 =
 
4. 11 + 30 =
 
5. 31 + 40 =
 
6. 73 + 10 =
 
7. 16 + 60 =
 
8. 53 + 10 =
 
9. 42 + 30 =
 
10. 64 + 30 =
 

Tientallen/eenheden plus tientallen
| ANTWOORDEN

Erbijsommen
Oefening 1
1. 18 + 70 =
2. 38 + 60 =
3. 22 + 20 =
4. 68 + 20 =
5. 46 + 30 =
6. 74 + 20 =
7. 61 + 20 =
8. 55 + 30 =
9. 37 + 20 =
10. 11 + 40 =
Oefening 2
1. 67 + 20 =
2. 58 + 30 =
3. 34 + 30 =
4. 18 + 30 =
5. 17 + 60 =
6. 43 + 50 =
7. 32 + 20 =
8. 47 + 10 =
9. 12 + 30 =
10. 83 + 10 =
Oefening 3
1. 76 + 10 =
2. 85 + 10 =
3. 27 + 50 =
4. 82 + 20 =
5. 85 + 20 =
6. 28 + 50 =
7. 58 + 30 =
8. 54 + 40 =
9. 17 + 60 =
10. 35 + 60 =
Oefening 4
1. 73 + 20 =
2. 16 + 70 =
3. 47 + 30 =
4. 11 + 30 =
5. 31 + 40 =
6. 73 + 10 =
7. 16 + 60 =
8. 53 + 10 =
9. 42 + 30 =
10. 64 + 30 =