Optellen tot het volgende tiental

Erbijsommen
Oefening 1
1. 83 + 7 =
 
2. 45 + 5 =
 
3. 54 + 6 =
 
4. 62 + 8 =
 
5. 45 + 5 =
 
6. 14 + 6 =
 
7. 28 + 2 =
 
8. 42 + 8 =
 
9. 44 + 6 =
 
10. 14 + 6 =
 
Oefening 2
1. 61 + 9 =
 
2. 55 + 5 =
 
3. 76 + 4 =
 
4. 25 + 5 =
 
5. 21 + 9 =
 
6. 11 + 9 =
 
7. 15 + 5 =
 
8. 23 + 7 =
 
9. 85 + 5 =
 
10. 16 + 4 =
 
Oefening 3
1. 73 + 7 =
 
2. 25 + 5 =
 
3. 81 + 9 =
 
4. 15 + 5 =
 
5. 93 + 7 =
 
6. 24 + 6 =
 
7. 95 + 5 =
 
8. 73 + 7 =
 
9. 45 + 5 =
 
10. 53 + 7 =
 
Oefening 4
1. 18 + 2 =
 
2. 15 + 5 =
 
3. 64 + 6 =
 
4. 95 + 5 =
 
5. 46 + 4 =
 
6. 66 + 4 =
 
7. 62 + 8 =
 
8. 83 + 7 =
 
9. 46 + 4 =
 
10. 31 + 9 =
 

Optellen tot het volgende tiental
| ANTWOORDEN

Erbijsommen
Oefening 1
1. 83 + 7 =
2. 45 + 5 =
3. 54 + 6 =
4. 62 + 8 =
5. 45 + 5 =
6. 14 + 6 =
7. 28 + 2 =
8. 42 + 8 =
9. 44 + 6 =
10. 14 + 6 =
Oefening 2
1. 61 + 9 =
2. 55 + 5 =
3. 76 + 4 =
4. 25 + 5 =
5. 21 + 9 =
6. 11 + 9 =
7. 15 + 5 =
8. 23 + 7 =
9. 85 + 5 =
10. 16 + 4 =
Oefening 3
1. 73 + 7 =
2. 25 + 5 =
3. 81 + 9 =
4. 15 + 5 =
5. 93 + 7 =
6. 24 + 6 =
7. 95 + 5 =
8. 73 + 7 =
9. 45 + 5 =
10. 53 + 7 =
Oefening 4
1. 18 + 2 =
2. 15 + 5 =
3. 64 + 6 =
4. 95 + 5 =
5. 46 + 4 =
6. 66 + 4 =
7. 62 + 8 =
8. 83 + 7 =
9. 46 + 4 =
10. 31 + 9 =