Optellen tot het volgende tiental

Erbijsommen
Oefening 1
1. 72 + 8 =
 
2. 85 + 5 =
 
3. 38 + 2 =
 
4. 23 + 7 =
 
5. 92 + 8 =
 
6. 28 + 2 =
 
7. 65 + 5 =
 
8. 63 + 7 =
 
9. 65 + 5 =
 
10. 82 + 8 =
 
Oefening 2
1. 24 + 6 =
 
2. 28 + 2 =
 
3. 85 + 5 =
 
4. 35 + 5 =
 
5. 24 + 6 =
 
6. 25 + 5 =
 
7. 75 + 5 =
 
8. 36 + 4 =
 
9. 17 + 3 =
 
10. 84 + 6 =
 
Oefening 3
1. 11 + 9 =
 
2. 48 + 2 =
 
3. 65 + 5 =
 
4. 57 + 3 =
 
5. 18 + 2 =
 
6. 78 + 2 =
 
7. 82 + 8 =
 
8. 16 + 4 =
 
9. 32 + 8 =
 
10. 28 + 2 =
 
Oefening 4
1. 15 + 5 =
 
2. 56 + 4 =
 
3. 76 + 4 =
 
4. 84 + 6 =
 
5. 18 + 2 =
 
6. 56 + 4 =
 
7. 87 + 3 =
 
8. 62 + 8 =
 
9. 53 + 7 =
 
10. 25 + 5 =
 

Optellen tot het volgende tiental
| ANTWOORDEN

Erbijsommen
Oefening 1
1. 72 + 8 =
2. 85 + 5 =
3. 38 + 2 =
4. 23 + 7 =
5. 92 + 8 =
6. 28 + 2 =
7. 65 + 5 =
8. 63 + 7 =
9. 65 + 5 =
10. 82 + 8 =
Oefening 2
1. 24 + 6 =
2. 28 + 2 =
3. 85 + 5 =
4. 35 + 5 =
5. 24 + 6 =
6. 25 + 5 =
7. 75 + 5 =
8. 36 + 4 =
9. 17 + 3 =
10. 84 + 6 =
Oefening 3
1. 11 + 9 =
2. 48 + 2 =
3. 65 + 5 =
4. 57 + 3 =
5. 18 + 2 =
6. 78 + 2 =
7. 82 + 8 =
8. 16 + 4 =
9. 32 + 8 =
10. 28 + 2 =
Oefening 4
1. 15 + 5 =
2. 56 + 4 =
3. 76 + 4 =
4. 84 + 6 =
5. 18 + 2 =
6. 56 + 4 =
7. 87 + 3 =
8. 62 + 8 =
9. 53 + 7 =
10. 25 + 5 =