Optellen tot het volgende tiental

Erbijsommen
Oefening 1
1. 73 + 7 =
 
2. 73 + 7 =
 
3. 45 + 5 =
 
4. 36 + 4 =
 
5. 53 + 7 =
 
6. 27 + 3 =
 
7. 62 + 8 =
 
8. 87 + 3 =
 
9. 95 + 5 =
 
10. 94 + 6 =
 
Oefening 2
1. 13 + 7 =
 
2. 82 + 8 =
 
3. 46 + 4 =
 
4. 55 + 5 =
 
5. 78 + 2 =
 
6. 73 + 7 =
 
7. 31 + 9 =
 
8. 11 + 9 =
 
9. 33 + 7 =
 
10. 56 + 4 =
 
Oefening 3
1. 72 + 8 =
 
2. 33 + 7 =
 
3. 98 + 2 =
 
4. 46 + 4 =
 
5. 11 + 9 =
 
6. 92 + 8 =
 
7. 72 + 8 =
 
8. 94 + 6 =
 
9. 33 + 7 =
 
10. 67 + 3 =
 
Oefening 4
1. 54 + 6 =
 
2. 83 + 7 =
 
3. 37 + 3 =
 
4. 68 + 2 =
 
5. 87 + 3 =
 
6. 71 + 9 =
 
7. 77 + 3 =
 
8. 62 + 8 =
 
9. 71 + 9 =
 
10. 96 + 4 =
 

Optellen tot het volgende tiental
| ANTWOORDEN

Erbijsommen
Oefening 1
1. 73 + 7 =
2. 73 + 7 =
3. 45 + 5 =
4. 36 + 4 =
5. 53 + 7 =
6. 27 + 3 =
7. 62 + 8 =
8. 87 + 3 =
9. 95 + 5 =
10. 94 + 6 =
Oefening 2
1. 13 + 7 =
2. 82 + 8 =
3. 46 + 4 =
4. 55 + 5 =
5. 78 + 2 =
6. 73 + 7 =
7. 31 + 9 =
8. 11 + 9 =
9. 33 + 7 =
10. 56 + 4 =
Oefening 3
1. 72 + 8 =
2. 33 + 7 =
3. 98 + 2 =
4. 46 + 4 =
5. 11 + 9 =
6. 92 + 8 =
7. 72 + 8 =
8. 94 + 6 =
9. 33 + 7 =
10. 67 + 3 =
Oefening 4
1. 54 + 6 =
2. 83 + 7 =
3. 37 + 3 =
4. 68 + 2 =
5. 87 + 3 =
6. 71 + 9 =
7. 77 + 3 =
8. 62 + 8 =
9. 71 + 9 =
10. 96 + 4 =