Tientallen/eenheden en eenheden optellen

Erbijsommen
Oefening 1
1. 88 + 1 =
 
2. 34 + 4 =
 
3. 56 + 2 =
 
4. 86 + 1 =
 
5. 71 + 8 =
 
6. 68 + 2 =
 
7. 44 + 1 =
 
8. 74 + 1 =
 
9. 13 + 4 =
 
10. 77 + 2 =
 
Oefening 2
1. 25 + 2 =
 
2. 77 + 1 =
 
3. 33 + 7 =
 
4. 41 + 3 =
 
5. 43 + 3 =
 
6. 74 + 3 =
 
7. 11 + 6 =
 
8. 84 + 3 =
 
9. 15 + 5 =
 
10. 84 + 2 =
 
Oefening 3
1. 71 + 4 =
 
2. 63 + 7 =
 
3. 11 + 4 =
 
4. 33 + 1 =
 
5. 96 + 2 =
 
6. 81 + 2 =
 
7. 11 + 9 =
 
8. 62 + 2 =
 
9. 42 + 6 =
 
10. 64 + 4 =
 
Oefening 4
1. 41 + 4 =
 
2. 12 + 7 =
 
3. 68 + 2 =
 
4. 78 + 2 =
 
5. 48 + 2 =
 
6. 57 + 3 =
 
7. 96 + 3 =
 
8. 37 + 2 =
 
9. 78 + 1 =
 
10. 22 + 1 =
 

Tientallen/eenheden en eenheden optellen
| ANTWOORDEN

Erbijsommen
Oefening 1
1. 88 + 1 =
2. 34 + 4 =
3. 56 + 2 =
4. 86 + 1 =
5. 71 + 8 =
6. 68 + 2 =
7. 44 + 1 =
8. 74 + 1 =
9. 13 + 4 =
10. 77 + 2 =
Oefening 2
1. 25 + 2 =
2. 77 + 1 =
3. 33 + 7 =
4. 41 + 3 =
5. 43 + 3 =
6. 74 + 3 =
7. 11 + 6 =
8. 84 + 3 =
9. 15 + 5 =
10. 84 + 2 =
Oefening 3
1. 71 + 4 =
2. 63 + 7 =
3. 11 + 4 =
4. 33 + 1 =
5. 96 + 2 =
6. 81 + 2 =
7. 11 + 9 =
8. 62 + 2 =
9. 42 + 6 =
10. 64 + 4 =
Oefening 4
1. 41 + 4 =
2. 12 + 7 =
3. 68 + 2 =
4. 78 + 2 =
5. 48 + 2 =
6. 57 + 3 =
7. 96 + 3 =
8. 37 + 2 =
9. 78 + 1 =
10. 22 + 1 =