Optellen tot het volgende tiental

Erbijsommen
Oefening 1
1. 81 + 9 =
 
2. 36 + 4 =
 
3. 65 + 5 =
 
4. 98 + 2 =
 
5. 66 + 4 =
 
6. 68 + 2 =
 
7. 68 + 2 =
 
8. 66 + 4 =
 
9. 87 + 3 =
 
10. 16 + 4 =
 
Oefening 2
1. 58 + 2 =
 
2. 65 + 5 =
 
3. 33 + 7 =
 
4. 17 + 3 =
 
5. 47 + 3 =
 
6. 96 + 4 =
 
7. 16 + 4 =
 
8. 52 + 8 =
 
9. 51 + 9 =
 
10. 87 + 3 =
 
Oefening 3
1. 16 + 4 =
 
2. 48 + 2 =
 
3. 28 + 2 =
 
4. 45 + 5 =
 
5. 84 + 6 =
 
6. 66 + 4 =
 
7. 14 + 6 =
 
8. 94 + 6 =
 
9. 35 + 5 =
 
10. 35 + 5 =
 
Oefening 4
1. 63 + 7 =
 
2. 22 + 8 =
 
3. 11 + 9 =
 
4. 47 + 3 =
 
5. 11 + 9 =
 
6. 57 + 3 =
 
7. 96 + 4 =
 
8. 24 + 6 =
 
9. 48 + 2 =
 
10. 54 + 6 =
 

Optellen tot het volgende tiental
| ANTWOORDEN

Erbijsommen
Oefening 1
1. 81 + 9 =
2. 36 + 4 =
3. 65 + 5 =
4. 98 + 2 =
5. 66 + 4 =
6. 68 + 2 =
7. 68 + 2 =
8. 66 + 4 =
9. 87 + 3 =
10. 16 + 4 =
Oefening 2
1. 58 + 2 =
2. 65 + 5 =
3. 33 + 7 =
4. 17 + 3 =
5. 47 + 3 =
6. 96 + 4 =
7. 16 + 4 =
8. 52 + 8 =
9. 51 + 9 =
10. 87 + 3 =
Oefening 3
1. 16 + 4 =
2. 48 + 2 =
3. 28 + 2 =
4. 45 + 5 =
5. 84 + 6 =
6. 66 + 4 =
7. 14 + 6 =
8. 94 + 6 =
9. 35 + 5 =
10. 35 + 5 =
Oefening 4
1. 63 + 7 =
2. 22 + 8 =
3. 11 + 9 =
4. 47 + 3 =
5. 11 + 9 =
6. 57 + 3 =
7. 96 + 4 =
8. 24 + 6 =
9. 48 + 2 =
10. 54 + 6 =