Tientallen/eenheden en eenheden optellen

Erbijsommen
Oefening 1
1. 23 + 6 =
 
2. 68 + 2 =
 
3. 24 + 6 =
 
4. 85 + 2 =
 
5. 17 + 2 =
 
6. 98 + 2 =
 
7. 17 + 2 =
 
8. 66 + 4 =
 
9. 61 + 1 =
 
10. 93 + 3 =
 
Oefening 2
1. 21 + 4 =
 
2. 91 + 9 =
 
3. 84 + 5 =
 
4. 57 + 2 =
 
5. 53 + 5 =
 
6. 27 + 1 =
 
7. 82 + 6 =
 
8. 51 + 8 =
 
9. 35 + 4 =
 
10. 23 + 1 =
 
Oefening 3
1. 47 + 1 =
 
2. 98 + 2 =
 
3. 58 + 2 =
 
4. 25 + 5 =
 
5. 98 + 2 =
 
6. 37 + 2 =
 
7. 95 + 3 =
 
8. 73 + 2 =
 
9. 75 + 3 =
 
10. 68 + 1 =
 
Oefening 4
1. 96 + 2 =
 
2. 91 + 7 =
 
3. 71 + 3 =
 
4. 71 + 5 =
 
5. 97 + 2 =
 
6. 78 + 2 =
 
7. 41 + 8 =
 
8. 61 + 9 =
 
9. 42 + 1 =
 
10. 11 + 3 =
 

Tientallen/eenheden en eenheden optellen
| ANTWOORDEN

Erbijsommen
Oefening 1
1. 23 + 6 =
2. 68 + 2 =
3. 24 + 6 =
4. 85 + 2 =
5. 17 + 2 =
6. 98 + 2 =
7. 17 + 2 =
8. 66 + 4 =
9. 61 + 1 =
10. 93 + 3 =
Oefening 2
1. 21 + 4 =
2. 91 + 9 =
3. 84 + 5 =
4. 57 + 2 =
5. 53 + 5 =
6. 27 + 1 =
7. 82 + 6 =
8. 51 + 8 =
9. 35 + 4 =
10. 23 + 1 =
Oefening 3
1. 47 + 1 =
2. 98 + 2 =
3. 58 + 2 =
4. 25 + 5 =
5. 98 + 2 =
6. 37 + 2 =
7. 95 + 3 =
8. 73 + 2 =
9. 75 + 3 =
10. 68 + 1 =
Oefening 4
1. 96 + 2 =
2. 91 + 7 =
3. 71 + 3 =
4. 71 + 5 =
5. 97 + 2 =
6. 78 + 2 =
7. 41 + 8 =
8. 61 + 9 =
9. 42 + 1 =
10. 11 + 3 =