Optellen tot het volgende tiental

Optellen
Oefening 1
1. 52 + 8 =
 
2. 11 + 9 =
 
3. 46 + 4 =
 
4. 83 + 7 =
 
5. 42 + 8 =
 
6. 93 + 7 =
 
7. 71 + 9 =
 
8. 16 + 4 =
 
9. 72 + 8 =
 
10. 71 + 9 =
 
Oefening 2
1. 31 + 9 =
 
2. 46 + 4 =
 
3. 25 + 5 =
 
4. 67 + 3 =
 
5. 43 + 7 =
 
6. 25 + 5 =
 
7. 56 + 4 =
 
8. 28 + 2 =
 
9. 44 + 6 =
 
10. 98 + 2 =
 
Oefening 3
1. 17 + 3 =
 
2. 88 + 2 =
 
3. 57 + 3 =
 
4. 65 + 5 =
 
5. 18 + 2 =
 
6. 77 + 3 =
 
7. 62 + 8 =
 
8. 88 + 2 =
 
9. 26 + 4 =
 
10. 15 + 5 =
 
Oefening 4
1. 18 + 2 =
 
2. 24 + 6 =
 
3. 57 + 3 =
 
4. 96 + 4 =
 
5. 36 + 4 =
 
6. 56 + 4 =
 
7. 91 + 9 =
 
8. 61 + 9 =
 
9. 84 + 6 =
 
10. 68 + 2 =
 

Optellen tot het volgende tiental
| ANTWOORDEN

Optellen
Oefening 1
1. 52 + 8 =
2. 11 + 9 =
3. 46 + 4 =
4. 83 + 7 =
5. 42 + 8 =
6. 93 + 7 =
7. 71 + 9 =
8. 16 + 4 =
9. 72 + 8 =
10. 71 + 9 =
Oefening 2
1. 31 + 9 =
2. 46 + 4 =
3. 25 + 5 =
4. 67 + 3 =
5. 43 + 7 =
6. 25 + 5 =
7. 56 + 4 =
8. 28 + 2 =
9. 44 + 6 =
10. 98 + 2 =
Oefening 3
1. 17 + 3 =
2. 88 + 2 =
3. 57 + 3 =
4. 65 + 5 =
5. 18 + 2 =
6. 77 + 3 =
7. 62 + 8 =
8. 88 + 2 =
9. 26 + 4 =
10. 15 + 5 =
Oefening 4
1. 18 + 2 =
2. 24 + 6 =
3. 57 + 3 =
4. 96 + 4 =
5. 36 + 4 =
6. 56 + 4 =
7. 91 + 9 =
8. 61 + 9 =
9. 84 + 6 =
10. 68 + 2 =