Optellen tot het volgende tiental

Optellen
Oefening 1
1. 67 + 3 =
 
2. 67 + 3 =
 
3. 64 + 6 =
 
4. 81 + 9 =
 
5. 41 + 9 =
 
6. 21 + 9 =
 
7. 25 + 5 =
 
8. 46 + 4 =
 
9. 17 + 3 =
 
10. 33 + 7 =
 
Oefening 2
1. 86 + 4 =
 
2. 16 + 4 =
 
3. 44 + 6 =
 
4. 14 + 6 =
 
5. 32 + 8 =
 
6. 42 + 8 =
 
7. 71 + 9 =
 
8. 11 + 9 =
 
9. 37 + 3 =
 
10. 88 + 2 =
 
Oefening 3
1. 63 + 7 =
 
2. 15 + 5 =
 
3. 77 + 3 =
 
4. 11 + 9 =
 
5. 38 + 2 =
 
6. 11 + 9 =
 
7. 93 + 7 =
 
8. 95 + 5 =
 
9. 57 + 3 =
 
10. 67 + 3 =
 
Oefening 4
1. 36 + 4 =
 
2. 33 + 7 =
 
3. 42 + 8 =
 
4. 17 + 3 =
 
5. 66 + 4 =
 
6. 57 + 3 =
 
7. 18 + 2 =
 
8. 85 + 5 =
 
9. 43 + 7 =
 
10. 23 + 7 =
 

Optellen tot het volgende tiental
| ANTWOORDEN

Optellen
Oefening 1
1. 67 + 3 =
2. 67 + 3 =
3. 64 + 6 =
4. 81 + 9 =
5. 41 + 9 =
6. 21 + 9 =
7. 25 + 5 =
8. 46 + 4 =
9. 17 + 3 =
10. 33 + 7 =
Oefening 2
1. 86 + 4 =
2. 16 + 4 =
3. 44 + 6 =
4. 14 + 6 =
5. 32 + 8 =
6. 42 + 8 =
7. 71 + 9 =
8. 11 + 9 =
9. 37 + 3 =
10. 88 + 2 =
Oefening 3
1. 63 + 7 =
2. 15 + 5 =
3. 77 + 3 =
4. 11 + 9 =
5. 38 + 2 =
6. 11 + 9 =
7. 93 + 7 =
8. 95 + 5 =
9. 57 + 3 =
10. 67 + 3 =
Oefening 4
1. 36 + 4 =
2. 33 + 7 =
3. 42 + 8 =
4. 17 + 3 =
5. 66 + 4 =
6. 57 + 3 =
7. 18 + 2 =
8. 85 + 5 =
9. 43 + 7 =
10. 23 + 7 =