Optellen tot het volgende tiental

Erbijsommen
Oefening 1
1. 42 + 8 =
 
2. 42 + 8 =
 
3. 14 + 6 =
 
4. 14 + 6 =
 
5. 22 + 8 =
 
6. 95 + 5 =
 
7. 91 + 9 =
 
8. 47 + 3 =
 
9. 25 + 5 =
 
10. 67 + 3 =
 
Oefening 2
1. 64 + 6 =
 
2. 76 + 4 =
 
3. 76 + 4 =
 
4. 83 + 7 =
 
5. 97 + 3 =
 
6. 26 + 4 =
 
7. 65 + 5 =
 
8. 13 + 7 =
 
9. 81 + 9 =
 
10. 12 + 8 =
 
Oefening 3
1. 14 + 6 =
 
2. 92 + 8 =
 
3. 26 + 4 =
 
4. 62 + 8 =
 
5. 12 + 8 =
 
6. 31 + 9 =
 
7. 32 + 8 =
 
8. 68 + 2 =
 
9. 22 + 8 =
 
10. 73 + 7 =
 
Oefening 4
1. 22 + 8 =
 
2. 28 + 2 =
 
3. 32 + 8 =
 
4. 91 + 9 =
 
5. 21 + 9 =
 
6. 13 + 7 =
 
7. 93 + 7 =
 
8. 24 + 6 =
 
9. 38 + 2 =
 
10. 28 + 2 =
 

Optellen tot het volgende tiental
| ANTWOORDEN

Erbijsommen
Oefening 1
1. 42 + 8 =
2. 42 + 8 =
3. 14 + 6 =
4. 14 + 6 =
5. 22 + 8 =
6. 95 + 5 =
7. 91 + 9 =
8. 47 + 3 =
9. 25 + 5 =
10. 67 + 3 =
Oefening 2
1. 64 + 6 =
2. 76 + 4 =
3. 76 + 4 =
4. 83 + 7 =
5. 97 + 3 =
6. 26 + 4 =
7. 65 + 5 =
8. 13 + 7 =
9. 81 + 9 =
10. 12 + 8 =
Oefening 3
1. 14 + 6 =
2. 92 + 8 =
3. 26 + 4 =
4. 62 + 8 =
5. 12 + 8 =
6. 31 + 9 =
7. 32 + 8 =
8. 68 + 2 =
9. 22 + 8 =
10. 73 + 7 =
Oefening 4
1. 22 + 8 =
2. 28 + 2 =
3. 32 + 8 =
4. 91 + 9 =
5. 21 + 9 =
6. 13 + 7 =
7. 93 + 7 =
8. 24 + 6 =
9. 38 + 2 =
10. 28 + 2 =