Optellen tot het volgende tiental

Erbijsommen
Oefening 1
1. 84 + 6 =
 
2. 97 + 3 =
 
3. 64 + 6 =
 
4. 37 + 3 =
 
5. 24 + 6 =
 
6. 41 + 9 =
 
7. 76 + 4 =
 
8. 38 + 2 =
 
9. 44 + 6 =
 
10. 64 + 6 =
 
Oefening 2
1. 72 + 8 =
 
2. 94 + 6 =
 
3. 92 + 8 =
 
4. 45 + 5 =
 
5. 66 + 4 =
 
6. 44 + 6 =
 
7. 94 + 6 =
 
8. 35 + 5 =
 
9. 32 + 8 =
 
10. 63 + 7 =
 
Oefening 3
1. 74 + 6 =
 
2. 35 + 5 =
 
3. 87 + 3 =
 
4. 96 + 4 =
 
5. 73 + 7 =
 
6. 58 + 2 =
 
7. 52 + 8 =
 
8. 46 + 4 =
 
9. 91 + 9 =
 
10. 51 + 9 =
 
Oefening 4
1. 95 + 5 =
 
2. 74 + 6 =
 
3. 92 + 8 =
 
4. 34 + 6 =
 
5. 66 + 4 =
 
6. 35 + 5 =
 
7. 51 + 9 =
 
8. 24 + 6 =
 
9. 95 + 5 =
 
10. 15 + 5 =
 

Optellen tot het volgende tiental
| ANTWOORDEN

Erbijsommen
Oefening 1
1. 84 + 6 =
2. 97 + 3 =
3. 64 + 6 =
4. 37 + 3 =
5. 24 + 6 =
6. 41 + 9 =
7. 76 + 4 =
8. 38 + 2 =
9. 44 + 6 =
10. 64 + 6 =
Oefening 2
1. 72 + 8 =
2. 94 + 6 =
3. 92 + 8 =
4. 45 + 5 =
5. 66 + 4 =
6. 44 + 6 =
7. 94 + 6 =
8. 35 + 5 =
9. 32 + 8 =
10. 63 + 7 =
Oefening 3
1. 74 + 6 =
2. 35 + 5 =
3. 87 + 3 =
4. 96 + 4 =
5. 73 + 7 =
6. 58 + 2 =
7. 52 + 8 =
8. 46 + 4 =
9. 91 + 9 =
10. 51 + 9 =
Oefening 4
1. 95 + 5 =
2. 74 + 6 =
3. 92 + 8 =
4. 34 + 6 =
5. 66 + 4 =
6. 35 + 5 =
7. 51 + 9 =
8. 24 + 6 =
9. 95 + 5 =
10. 15 + 5 =