Tientallen plus tientallen tot aan het tiental

Optellen
Oefening 1
1. 68 + 22 =
 
2. 41 + 29 =
 
3. 51 + 19 =
 
4. 34 + 66 =
 
5. 43 + 47 =
 
6. 33 + 47 =
 
7. 55 + 45 =
 
8. 18 + 82 =
 
9. 57 + 33 =
 
10. 68 + 12 =
 
Oefening 2
1. 85 + 15 =
 
2. 84 + 16 =
 
3. 14 + 56 =
 
4. 33 + 67 =
 
5. 67 + 13 =
 
6. 45 + 25 =
 
7. 78 + 22 =
 
8. 24 + 76 =
 
9. 11 + 79 =
 
10. 76 + 24 =
 
Oefening 3
1. 52 + 38 =
 
2. 37 + 33 =
 
3. 35 + 15 =
 
4. 83 + 17 =
 
5. 71 + 29 =
 
6. 31 + 29 =
 
7. 81 + 19 =
 
8. 44 + 16 =
 
9. 27 + 43 =
 
10. 38 + 12 =
 
Oefening 4
1. 84 + 16 =
 
2. 37 + 53 =
 
3. 72 + 28 =
 
4. 38 + 32 =
 
5. 13 + 17 =
 
6. 23 + 47 =
 
7. 31 + 59 =
 
8. 33 + 67 =
 
9. 77 + 13 =
 
10. 13 + 57 =
 

Tientallen plus tientallen tot aan het tiental
| ANTWOORDEN

Optellen
Oefening 1
1. 68 + 22 =
2. 41 + 29 =
3. 51 + 19 =
4. 34 + 66 =
5. 43 + 47 =
6. 33 + 47 =
7. 55 + 45 =
8. 18 + 82 =
9. 57 + 33 =
10. 68 + 12 =
Oefening 2
1. 85 + 15 =
2. 84 + 16 =
3. 14 + 56 =
4. 33 + 67 =
5. 67 + 13 =
6. 45 + 25 =
7. 78 + 22 =
8. 24 + 76 =
9. 11 + 79 =
10. 76 + 24 =
Oefening 3
1. 52 + 38 =
2. 37 + 33 =
3. 35 + 15 =
4. 83 + 17 =
5. 71 + 29 =
6. 31 + 29 =
7. 81 + 19 =
8. 44 + 16 =
9. 27 + 43 =
10. 38 + 12 =
Oefening 4
1. 84 + 16 =
2. 37 + 53 =
3. 72 + 28 =
4. 38 + 32 =
5. 13 + 17 =
6. 23 + 47 =
7. 31 + 59 =
8. 33 + 67 =
9. 77 + 13 =
10. 13 + 57 =