Optellen tot het volgende tiental

Optellen
Oefening 1
1. 15 + 5 =
 
2. 37 + 3 =
 
3. 93 + 7 =
 
4. 33 + 7 =
 
5. 33 + 7 =
 
6. 78 + 2 =
 
7. 53 + 7 =
 
8. 56 + 4 =
 
9. 28 + 2 =
 
10. 88 + 2 =
 
Oefening 2
1. 84 + 6 =
 
2. 43 + 7 =
 
3. 11 + 9 =
 
4. 95 + 5 =
 
5. 28 + 2 =
 
6. 24 + 6 =
 
7. 63 + 7 =
 
8. 16 + 4 =
 
9. 24 + 6 =
 
10. 87 + 3 =
 
Oefening 3
1. 68 + 2 =
 
2. 48 + 2 =
 
3. 11 + 9 =
 
4. 88 + 2 =
 
5. 95 + 5 =
 
6. 31 + 9 =
 
7. 77 + 3 =
 
8. 51 + 9 =
 
9. 55 + 5 =
 
10. 98 + 2 =
 
Oefening 4
1. 47 + 3 =
 
2. 15 + 5 =
 
3. 54 + 6 =
 
4. 24 + 6 =
 
5. 85 + 5 =
 
6. 41 + 9 =
 
7. 16 + 4 =
 
8. 55 + 5 =
 
9. 73 + 7 =
 
10. 56 + 4 =
 

Optellen tot het volgende tiental
| ANTWOORDEN

Optellen
Oefening 1
1. 15 + 5 =
2. 37 + 3 =
3. 93 + 7 =
4. 33 + 7 =
5. 33 + 7 =
6. 78 + 2 =
7. 53 + 7 =
8. 56 + 4 =
9. 28 + 2 =
10. 88 + 2 =
Oefening 2
1. 84 + 6 =
2. 43 + 7 =
3. 11 + 9 =
4. 95 + 5 =
5. 28 + 2 =
6. 24 + 6 =
7. 63 + 7 =
8. 16 + 4 =
9. 24 + 6 =
10. 87 + 3 =
Oefening 3
1. 68 + 2 =
2. 48 + 2 =
3. 11 + 9 =
4. 88 + 2 =
5. 95 + 5 =
6. 31 + 9 =
7. 77 + 3 =
8. 51 + 9 =
9. 55 + 5 =
10. 98 + 2 =
Oefening 4
1. 47 + 3 =
2. 15 + 5 =
3. 54 + 6 =
4. 24 + 6 =
5. 85 + 5 =
6. 41 + 9 =
7. 16 + 4 =
8. 55 + 5 =
9. 73 + 7 =
10. 56 + 4 =