Optellen tot het volgende tiental

Erbijsommen
Oefening 1
1. 51 + 9 =
 
2. 13 + 7 =
 
3. 38 + 2 =
 
4. 58 + 2 =
 
5. 75 + 5 =
 
6. 12 + 8 =
 
7. 67 + 3 =
 
8. 42 + 8 =
 
9. 93 + 7 =
 
10. 28 + 2 =
 
Oefening 2
1. 41 + 9 =
 
2. 96 + 4 =
 
3. 71 + 9 =
 
4. 87 + 3 =
 
5. 25 + 5 =
 
6. 97 + 3 =
 
7. 86 + 4 =
 
8. 43 + 7 =
 
9. 48 + 2 =
 
10. 78 + 2 =
 
Oefening 3
1. 35 + 5 =
 
2. 75 + 5 =
 
3. 78 + 2 =
 
4. 15 + 5 =
 
5. 18 + 2 =
 
6. 75 + 5 =
 
7. 47 + 3 =
 
8. 95 + 5 =
 
9. 48 + 2 =
 
10. 11 + 9 =
 
Oefening 4
1. 95 + 5 =
 
2. 21 + 9 =
 
3. 12 + 8 =
 
4. 56 + 4 =
 
5. 98 + 2 =
 
6. 35 + 5 =
 
7. 63 + 7 =
 
8. 33 + 7 =
 
9. 44 + 6 =
 
10. 43 + 7 =
 

Optellen tot het volgende tiental
| ANTWOORDEN

Erbijsommen
Oefening 1
1. 51 + 9 =
2. 13 + 7 =
3. 38 + 2 =
4. 58 + 2 =
5. 75 + 5 =
6. 12 + 8 =
7. 67 + 3 =
8. 42 + 8 =
9. 93 + 7 =
10. 28 + 2 =
Oefening 2
1. 41 + 9 =
2. 96 + 4 =
3. 71 + 9 =
4. 87 + 3 =
5. 25 + 5 =
6. 97 + 3 =
7. 86 + 4 =
8. 43 + 7 =
9. 48 + 2 =
10. 78 + 2 =
Oefening 3
1. 35 + 5 =
2. 75 + 5 =
3. 78 + 2 =
4. 15 + 5 =
5. 18 + 2 =
6. 75 + 5 =
7. 47 + 3 =
8. 95 + 5 =
9. 48 + 2 =
10. 11 + 9 =
Oefening 4
1. 95 + 5 =
2. 21 + 9 =
3. 12 + 8 =
4. 56 + 4 =
5. 98 + 2 =
6. 35 + 5 =
7. 63 + 7 =
8. 33 + 7 =
9. 44 + 6 =
10. 43 + 7 =