Optellen tot het volgende tiental

Erbijsommen
Oefening 1
1. 54 + 6 =
 
2. 47 + 3 =
 
3. 41 + 9 =
 
4. 68 + 2 =
 
5. 92 + 8 =
 
6. 52 + 8 =
 
7. 15 + 5 =
 
8. 84 + 6 =
 
9. 27 + 3 =
 
10. 96 + 4 =
 
Oefening 2
1. 41 + 9 =
 
2. 93 + 7 =
 
3. 66 + 4 =
 
4. 38 + 2 =
 
5. 16 + 4 =
 
6. 55 + 5 =
 
7. 26 + 4 =
 
8. 13 + 7 =
 
9. 41 + 9 =
 
10. 14 + 6 =
 
Oefening 3
1. 31 + 9 =
 
2. 12 + 8 =
 
3. 26 + 4 =
 
4. 95 + 5 =
 
5. 95 + 5 =
 
6. 62 + 8 =
 
7. 87 + 3 =
 
8. 37 + 3 =
 
9. 32 + 8 =
 
10. 81 + 9 =
 
Oefening 4
1. 36 + 4 =
 
2. 81 + 9 =
 
3. 28 + 2 =
 
4. 22 + 8 =
 
5. 48 + 2 =
 
6. 77 + 3 =
 
7. 45 + 5 =
 
8. 16 + 4 =
 
9. 55 + 5 =
 
10. 23 + 7 =
 

Optellen tot het volgende tiental
| ANTWOORDEN

Erbijsommen
Oefening 1
1. 54 + 6 =
2. 47 + 3 =
3. 41 + 9 =
4. 68 + 2 =
5. 92 + 8 =
6. 52 + 8 =
7. 15 + 5 =
8. 84 + 6 =
9. 27 + 3 =
10. 96 + 4 =
Oefening 2
1. 41 + 9 =
2. 93 + 7 =
3. 66 + 4 =
4. 38 + 2 =
5. 16 + 4 =
6. 55 + 5 =
7. 26 + 4 =
8. 13 + 7 =
9. 41 + 9 =
10. 14 + 6 =
Oefening 3
1. 31 + 9 =
2. 12 + 8 =
3. 26 + 4 =
4. 95 + 5 =
5. 95 + 5 =
6. 62 + 8 =
7. 87 + 3 =
8. 37 + 3 =
9. 32 + 8 =
10. 81 + 9 =
Oefening 4
1. 36 + 4 =
2. 81 + 9 =
3. 28 + 2 =
4. 22 + 8 =
5. 48 + 2 =
6. 77 + 3 =
7. 45 + 5 =
8. 16 + 4 =
9. 55 + 5 =
10. 23 + 7 =