Tientallen/eenheden en eenheden optellen tot over het tiental

Erbijsommen
Oefening 1
1. 12 + 9 =
 
2. 87 + 7 =
 
3. 73 + 9 =
 
4. 97 + 8 =
 
5. 28 + 5 =
 
6. 34 + 9 =
 
7. 36 + 5 =
 
8. 42 + 9 =
 
9. 55 + 8 =
 
10. 96 + 7 =
 
Oefening 2
1. 33 + 8 =
 
2. 97 + 4 =
 
3. 17 + 5 =
 
4. 95 + 8 =
 
5. 63 + 8 =
 
6. 34 + 8 =
 
7. 58 + 7 =
 
8. 27 + 7 =
 
9. 64 + 8 =
 
10. 52 + 9 =
 
Oefening 3
1. 74 + 9 =
 
2. 15 + 7 =
 
3. 88 + 7 =
 
4. 98 + 3 =
 
5. 36 + 5 =
 
6. 45 + 8 =
 
7. 84 + 7 =
 
8. 36 + 7 =
 
9. 62 + 9 =
 
10. 57 + 6 =
 
Oefening 4
1. 45 + 9 =
 
2. 53 + 9 =
 
3. 65 + 8 =
 
4. 27 + 7 =
 
5. 86 + 9 =
 
6. 65 + 8 =
 
7. 64 + 8 =
 
8. 12 + 9 =
 
9. 36 + 8 =
 
10. 38 + 3 =
 

Tientallen/eenheden en eenheden optellen tot over het tiental
| ANTWOORDEN

Erbijsommen
Oefening 1
1. 12 + 9 =
2. 87 + 7 =
3. 73 + 9 =
4. 97 + 8 =
5. 28 + 5 =
6. 34 + 9 =
7. 36 + 5 =
8. 42 + 9 =
9. 55 + 8 =
10. 96 + 7 =
Oefening 2
1. 33 + 8 =
2. 97 + 4 =
3. 17 + 5 =
4. 95 + 8 =
5. 63 + 8 =
6. 34 + 8 =
7. 58 + 7 =
8. 27 + 7 =
9. 64 + 8 =
10. 52 + 9 =
Oefening 3
1. 74 + 9 =
2. 15 + 7 =
3. 88 + 7 =
4. 98 + 3 =
5. 36 + 5 =
6. 45 + 8 =
7. 84 + 7 =
8. 36 + 7 =
9. 62 + 9 =
10. 57 + 6 =
Oefening 4
1. 45 + 9 =
2. 53 + 9 =
3. 65 + 8 =
4. 27 + 7 =
5. 86 + 9 =
6. 65 + 8 =
7. 64 + 8 =
8. 12 + 9 =
9. 36 + 8 =
10. 38 + 3 =