Tientallen/eenheden en eenheden optellen

Erbijsommen
Oefening 1
1. 13 + 7 =
 
2. 16 + 1 =
 
3. 35 + 1 =
 
4. 42 + 8 =
 
5. 98 + 2 =
 
6. 62 + 2 =
 
7. 67 + 1 =
 
8. 77 + 2 =
 
9. 61 + 5 =
 
10. 47 + 2 =
 
Oefening 2
1. 77 + 3 =
 
2. 86 + 1 =
 
3. 63 + 3 =
 
4. 56 + 2 =
 
5. 44 + 5 =
 
6. 13 + 6 =
 
7. 47 + 1 =
 
8. 63 + 6 =
 
9. 56 + 1 =
 
10. 71 + 8 =
 
Oefening 3
1. 36 + 4 =
 
2. 48 + 1 =
 
3. 14 + 4 =
 
4. 51 + 3 =
 
5. 14 + 2 =
 
6. 96 + 3 =
 
7. 38 + 2 =
 
8. 85 + 3 =
 
9. 88 + 2 =
 
10. 56 + 1 =
 
Oefening 4
1. 52 + 7 =
 
2. 71 + 8 =
 
3. 24 + 1 =
 
4. 26 + 1 =
 
5. 94 + 5 =
 
6. 87 + 3 =
 
7. 46 + 3 =
 
8. 47 + 2 =
 
9. 57 + 1 =
 
10. 98 + 1 =
 

Tientallen/eenheden en eenheden optellen
| ANTWOORDEN

Erbijsommen
Oefening 1
1. 13 + 7 =
2. 16 + 1 =
3. 35 + 1 =
4. 42 + 8 =
5. 98 + 2 =
6. 62 + 2 =
7. 67 + 1 =
8. 77 + 2 =
9. 61 + 5 =
10. 47 + 2 =
Oefening 2
1. 77 + 3 =
2. 86 + 1 =
3. 63 + 3 =
4. 56 + 2 =
5. 44 + 5 =
6. 13 + 6 =
7. 47 + 1 =
8. 63 + 6 =
9. 56 + 1 =
10. 71 + 8 =
Oefening 3
1. 36 + 4 =
2. 48 + 1 =
3. 14 + 4 =
4. 51 + 3 =
5. 14 + 2 =
6. 96 + 3 =
7. 38 + 2 =
8. 85 + 3 =
9. 88 + 2 =
10. 56 + 1 =
Oefening 4
1. 52 + 7 =
2. 71 + 8 =
3. 24 + 1 =
4. 26 + 1 =
5. 94 + 5 =
6. 87 + 3 =
7. 46 + 3 =
8. 47 + 2 =
9. 57 + 1 =
10. 98 + 1 =