Optellen tot het volgende tiental

Optellen
Oefening 1
1. 88 + 2 =
 
2. 12 + 8 =
 
3. 54 + 6 =
 
4. 31 + 9 =
 
5. 31 + 9 =
 
6. 61 + 9 =
 
7. 63 + 7 =
 
8. 94 + 6 =
 
9. 64 + 6 =
 
10. 26 + 4 =
 
Oefening 2
1. 26 + 4 =
 
2. 41 + 9 =
 
3. 33 + 7 =
 
4. 32 + 8 =
 
5. 65 + 5 =
 
6. 56 + 4 =
 
7. 14 + 6 =
 
8. 87 + 3 =
 
9. 61 + 9 =
 
10. 62 + 8 =
 
Oefening 3
1. 28 + 2 =
 
2. 53 + 7 =
 
3. 17 + 3 =
 
4. 16 + 4 =
 
5. 35 + 5 =
 
6. 31 + 9 =
 
7. 33 + 7 =
 
8. 92 + 8 =
 
9. 74 + 6 =
 
10. 33 + 7 =
 
Oefening 4
1. 12 + 8 =
 
2. 42 + 8 =
 
3. 83 + 7 =
 
4. 75 + 5 =
 
5. 32 + 8 =
 
6. 25 + 5 =
 
7. 38 + 2 =
 
8. 52 + 8 =
 
9. 71 + 9 =
 
10. 75 + 5 =
 

Optellen tot het volgende tiental
| ANTWOORDEN

Optellen
Oefening 1
1. 88 + 2 =
2. 12 + 8 =
3. 54 + 6 =
4. 31 + 9 =
5. 31 + 9 =
6. 61 + 9 =
7. 63 + 7 =
8. 94 + 6 =
9. 64 + 6 =
10. 26 + 4 =
Oefening 2
1. 26 + 4 =
2. 41 + 9 =
3. 33 + 7 =
4. 32 + 8 =
5. 65 + 5 =
6. 56 + 4 =
7. 14 + 6 =
8. 87 + 3 =
9. 61 + 9 =
10. 62 + 8 =
Oefening 3
1. 28 + 2 =
2. 53 + 7 =
3. 17 + 3 =
4. 16 + 4 =
5. 35 + 5 =
6. 31 + 9 =
7. 33 + 7 =
8. 92 + 8 =
9. 74 + 6 =
10. 33 + 7 =
Oefening 4
1. 12 + 8 =
2. 42 + 8 =
3. 83 + 7 =
4. 75 + 5 =
5. 32 + 8 =
6. 25 + 5 =
7. 38 + 2 =
8. 52 + 8 =
9. 71 + 9 =
10. 75 + 5 =