Optellen tot het volgende tiental

Erbijsommen
Oefening 1
1. 44 + 6 =
 
2. 32 + 8 =
 
3. 31 + 9 =
 
4. 56 + 4 =
 
5. 74 + 6 =
 
6. 47 + 3 =
 
7. 67 + 3 =
 
8. 21 + 9 =
 
9. 38 + 2 =
 
10. 16 + 4 =
 
Oefening 2
1. 16 + 4 =
 
2. 32 + 8 =
 
3. 92 + 8 =
 
4. 76 + 4 =
 
5. 78 + 2 =
 
6. 68 + 2 =
 
7. 91 + 9 =
 
8. 76 + 4 =
 
9. 28 + 2 =
 
10. 51 + 9 =
 
Oefening 3
1. 56 + 4 =
 
2. 18 + 2 =
 
3. 31 + 9 =
 
4. 76 + 4 =
 
5. 17 + 3 =
 
6. 95 + 5 =
 
7. 95 + 5 =
 
8. 48 + 2 =
 
9. 68 + 2 =
 
10. 74 + 6 =
 
Oefening 4
1. 54 + 6 =
 
2. 43 + 7 =
 
3. 63 + 7 =
 
4. 25 + 5 =
 
5. 95 + 5 =
 
6. 92 + 8 =
 
7. 65 + 5 =
 
8. 15 + 5 =
 
9. 27 + 3 =
 
10. 78 + 2 =
 

Optellen tot het volgende tiental
| ANTWOORDEN

Erbijsommen
Oefening 1
1. 44 + 6 =
2. 32 + 8 =
3. 31 + 9 =
4. 56 + 4 =
5. 74 + 6 =
6. 47 + 3 =
7. 67 + 3 =
8. 21 + 9 =
9. 38 + 2 =
10. 16 + 4 =
Oefening 2
1. 16 + 4 =
2. 32 + 8 =
3. 92 + 8 =
4. 76 + 4 =
5. 78 + 2 =
6. 68 + 2 =
7. 91 + 9 =
8. 76 + 4 =
9. 28 + 2 =
10. 51 + 9 =
Oefening 3
1. 56 + 4 =
2. 18 + 2 =
3. 31 + 9 =
4. 76 + 4 =
5. 17 + 3 =
6. 95 + 5 =
7. 95 + 5 =
8. 48 + 2 =
9. 68 + 2 =
10. 74 + 6 =
Oefening 4
1. 54 + 6 =
2. 43 + 7 =
3. 63 + 7 =
4. 25 + 5 =
5. 95 + 5 =
6. 92 + 8 =
7. 65 + 5 =
8. 15 + 5 =
9. 27 + 3 =
10. 78 + 2 =