Optellen tot het volgende tiental

Optellen
Oefening 1
1. 28 + 2 =
 
2. 77 + 3 =
 
3. 38 + 2 =
 
4. 56 + 4 =
 
5. 51 + 9 =
 
6. 76 + 4 =
 
7. 45 + 5 =
 
8. 98 + 2 =
 
9. 64 + 6 =
 
10. 42 + 8 =
 
Oefening 2
1. 36 + 4 =
 
2. 14 + 6 =
 
3. 24 + 6 =
 
4. 93 + 7 =
 
5. 66 + 4 =
 
6. 62 + 8 =
 
7. 25 + 5 =
 
8. 33 + 7 =
 
9. 58 + 2 =
 
10. 27 + 3 =
 
Oefening 3
1. 26 + 4 =
 
2. 61 + 9 =
 
3. 41 + 9 =
 
4. 66 + 4 =
 
5. 18 + 2 =
 
6. 42 + 8 =
 
7. 82 + 8 =
 
8. 98 + 2 =
 
9. 84 + 6 =
 
10. 51 + 9 =
 
Oefening 4
1. 13 + 7 =
 
2. 63 + 7 =
 
3. 54 + 6 =
 
4. 41 + 9 =
 
5. 17 + 3 =
 
6. 77 + 3 =
 
7. 82 + 8 =
 
8. 93 + 7 =
 
9. 44 + 6 =
 
10. 86 + 4 =
 

Optellen tot het volgende tiental
| ANTWOORDEN

Optellen
Oefening 1
1. 28 + 2 =
2. 77 + 3 =
3. 38 + 2 =
4. 56 + 4 =
5. 51 + 9 =
6. 76 + 4 =
7. 45 + 5 =
8. 98 + 2 =
9. 64 + 6 =
10. 42 + 8 =
Oefening 2
1. 36 + 4 =
2. 14 + 6 =
3. 24 + 6 =
4. 93 + 7 =
5. 66 + 4 =
6. 62 + 8 =
7. 25 + 5 =
8. 33 + 7 =
9. 58 + 2 =
10. 27 + 3 =
Oefening 3
1. 26 + 4 =
2. 61 + 9 =
3. 41 + 9 =
4. 66 + 4 =
5. 18 + 2 =
6. 42 + 8 =
7. 82 + 8 =
8. 98 + 2 =
9. 84 + 6 =
10. 51 + 9 =
Oefening 4
1. 13 + 7 =
2. 63 + 7 =
3. 54 + 6 =
4. 41 + 9 =
5. 17 + 3 =
6. 77 + 3 =
7. 82 + 8 =
8. 93 + 7 =
9. 44 + 6 =
10. 86 + 4 =