Tientallen/eenheden plus tientallen

Erbijsommen
Oefening 1
1. 34 + 60 =
 
2. 17 + 60 =
 
3. 57 + 40 =
 
4. 67 + 20 =
 
5. 33 + 40 =
 
6. 78 + 10 =
 
7. 52 + 10 =
 
8. 56 + 20 =
 
9. 68 + 30 =
 
10. 62 + 10 =
 
Oefening 2
1. 15 + 40 =
 
2. 86 + 10 =
 
3. 84 + 10 =
 
4. 23 + 70 =
 
5. 22 + 10 =
 
6. 13 + 30 =
 
7. 53 + 40 =
 
8. 44 + 40 =
 
9. 51 + 10 =
 
10. 76 + 10 =
 
Oefening 3
1. 51 + 40 =
 
2. 68 + 30 =
 
3. 53 + 50 =
 
4. 26 + 70 =
 
5. 31 + 20 =
 
6. 71 + 20 =
 
7. 51 + 20 =
 
8. 26 + 10 =
 
9. 77 + 10 =
 
10. 64 + 30 =
 
Oefening 4
1. 44 + 20 =
 
2. 18 + 30 =
 
3. 12 + 50 =
 
4. 41 + 50 =
 
5. 77 + 10 =
 
6. 17 + 50 =
 
7. 34 + 50 =
 
8. 84 + 20 =
 
9. 47 + 10 =
 
10. 48 + 20 =
 

Tientallen/eenheden plus tientallen
| ANTWOORDEN

Erbijsommen
Oefening 1
1. 34 + 60 =
2. 17 + 60 =
3. 57 + 40 =
4. 67 + 20 =
5. 33 + 40 =
6. 78 + 10 =
7. 52 + 10 =
8. 56 + 20 =
9. 68 + 30 =
10. 62 + 10 =
Oefening 2
1. 15 + 40 =
2. 86 + 10 =
3. 84 + 10 =
4. 23 + 70 =
5. 22 + 10 =
6. 13 + 30 =
7. 53 + 40 =
8. 44 + 40 =
9. 51 + 10 =
10. 76 + 10 =
Oefening 3
1. 51 + 40 =
2. 68 + 30 =
3. 53 + 50 =
4. 26 + 70 =
5. 31 + 20 =
6. 71 + 20 =
7. 51 + 20 =
8. 26 + 10 =
9. 77 + 10 =
10. 64 + 30 =
Oefening 4
1. 44 + 20 =
2. 18 + 30 =
3. 12 + 50 =
4. 41 + 50 =
5. 77 + 10 =
6. 17 + 50 =
7. 34 + 50 =
8. 84 + 20 =
9. 47 + 10 =
10. 48 + 20 =