Tientallen/eenheden en eenheden optellen

Erbijsommen
Oefening 1
1. 21 + 2 =
 
2. 76 + 2 =
 
3. 51 + 9 =
 
4. 64 + 5 =
 
5. 87 + 3 =
 
6. 17 + 1 =
 
7. 21 + 8 =
 
8. 57 + 2 =
 
9. 81 + 2 =
 
10. 28 + 1 =
 
Oefening 2
1. 78 + 1 =
 
2. 24 + 6 =
 
3. 72 + 5 =
 
4. 77 + 2 =
 
5. 21 + 1 =
 
6. 41 + 9 =
 
7. 72 + 3 =
 
8. 95 + 4 =
 
9. 25 + 4 =
 
10. 58 + 2 =
 
Oefening 3
1. 11 + 9 =
 
2. 16 + 1 =
 
3. 57 + 1 =
 
4. 23 + 2 =
 
5. 33 + 3 =
 
6. 76 + 1 =
 
7. 31 + 4 =
 
8. 26 + 2 =
 
9. 84 + 5 =
 
10. 97 + 1 =
 
Oefening 4
1. 54 + 3 =
 
2. 78 + 1 =
 
3. 81 + 8 =
 
4. 95 + 2 =
 
5. 72 + 3 =
 
6. 93 + 6 =
 
7. 63 + 1 =
 
8. 12 + 1 =
 
9. 58 + 1 =
 
10. 73 + 6 =
 

Tientallen/eenheden en eenheden optellen
| ANTWOORDEN

Erbijsommen
Oefening 1
1. 21 + 2 =
2. 76 + 2 =
3. 51 + 9 =
4. 64 + 5 =
5. 87 + 3 =
6. 17 + 1 =
7. 21 + 8 =
8. 57 + 2 =
9. 81 + 2 =
10. 28 + 1 =
Oefening 2
1. 78 + 1 =
2. 24 + 6 =
3. 72 + 5 =
4. 77 + 2 =
5. 21 + 1 =
6. 41 + 9 =
7. 72 + 3 =
8. 95 + 4 =
9. 25 + 4 =
10. 58 + 2 =
Oefening 3
1. 11 + 9 =
2. 16 + 1 =
3. 57 + 1 =
4. 23 + 2 =
5. 33 + 3 =
6. 76 + 1 =
7. 31 + 4 =
8. 26 + 2 =
9. 84 + 5 =
10. 97 + 1 =
Oefening 4
1. 54 + 3 =
2. 78 + 1 =
3. 81 + 8 =
4. 95 + 2 =
5. 72 + 3 =
6. 93 + 6 =
7. 63 + 1 =
8. 12 + 1 =
9. 58 + 1 =
10. 73 + 6 =