Tientallen/eenheden en eenheden optellen

Erbijsommen
Oefening 1
1. 21 + 2 =
 
2. 58 + 2 =
 
3. 15 + 2 =
 
4. 15 + 2 =
 
5. 86 + 2 =
 
6. 41 + 5 =
 
7. 41 + 1 =
 
8. 13 + 5 =
 
9. 33 + 7 =
 
10. 85 + 1 =
 
Oefening 2
1. 83 + 4 =
 
2. 74 + 4 =
 
3. 77 + 2 =
 
4. 57 + 2 =
 
5. 43 + 7 =
 
6. 21 + 4 =
 
7. 65 + 2 =
 
8. 66 + 1 =
 
9. 67 + 2 =
 
10. 15 + 1 =
 
Oefening 3
1. 57 + 2 =
 
2. 75 + 1 =
 
3. 71 + 2 =
 
4. 62 + 4 =
 
5. 51 + 6 =
 
6. 58 + 2 =
 
7. 32 + 2 =
 
8. 11 + 6 =
 
9. 78 + 2 =
 
10. 15 + 1 =
 
Oefening 4
1. 65 + 5 =
 
2. 34 + 4 =
 
3. 16 + 1 =
 
4. 86 + 2 =
 
5. 88 + 2 =
 
6. 27 + 1 =
 
7. 36 + 1 =
 
8. 55 + 5 =
 
9. 92 + 4 =
 
10. 74 + 5 =
 

Tientallen/eenheden en eenheden optellen
| ANTWOORDEN

Erbijsommen
Oefening 1
1. 21 + 2 =
2. 58 + 2 =
3. 15 + 2 =
4. 15 + 2 =
5. 86 + 2 =
6. 41 + 5 =
7. 41 + 1 =
8. 13 + 5 =
9. 33 + 7 =
10. 85 + 1 =
Oefening 2
1. 83 + 4 =
2. 74 + 4 =
3. 77 + 2 =
4. 57 + 2 =
5. 43 + 7 =
6. 21 + 4 =
7. 65 + 2 =
8. 66 + 1 =
9. 67 + 2 =
10. 15 + 1 =
Oefening 3
1. 57 + 2 =
2. 75 + 1 =
3. 71 + 2 =
4. 62 + 4 =
5. 51 + 6 =
6. 58 + 2 =
7. 32 + 2 =
8. 11 + 6 =
9. 78 + 2 =
10. 15 + 1 =
Oefening 4
1. 65 + 5 =
2. 34 + 4 =
3. 16 + 1 =
4. 86 + 2 =
5. 88 + 2 =
6. 27 + 1 =
7. 36 + 1 =
8. 55 + 5 =
9. 92 + 4 =
10. 74 + 5 =