Tientallen plus tientallen tot aan het tiental

Optellen
Oefening 1
1. 66 + 24 =
 
2. 76 + 24 =
 
3. 15 + 75 =
 
4. 84 + 16 =
 
5. 22 + 68 =
 
6. 88 + 12 =
 
7. 77 + 23 =
 
8. 46 + 44 =
 
9. 63 + 37 =
 
10. 55 + 25 =
 
Oefening 2
1. 83 + 17 =
 
2. 15 + 25 =
 
3. 21 + 19 =
 
4. 44 + 16 =
 
5. 71 + 29 =
 
6. 23 + 37 =
 
7. 44 + 46 =
 
8. 43 + 37 =
 
9. 37 + 13 =
 
10. 47 + 23 =
 
Oefening 3
1. 43 + 27 =
 
2. 34 + 16 =
 
3. 73 + 17 =
 
4. 82 + 18 =
 
5. 73 + 27 =
 
6. 15 + 55 =
 
7. 26 + 44 =
 
8. 31 + 29 =
 
9. 13 + 37 =
 
10. 25 + 35 =
 
Oefening 4
1. 13 + 37 =
 
2. 45 + 25 =
 
3. 26 + 44 =
 
4. 11 + 49 =
 
5. 85 + 15 =
 
6. 21 + 49 =
 
7. 58 + 12 =
 
8. 35 + 45 =
 
9. 51 + 39 =
 
10. 22 + 68 =
 

Tientallen plus tientallen tot aan het tiental
| ANTWOORDEN

Optellen
Oefening 1
1. 66 + 24 =
2. 76 + 24 =
3. 15 + 75 =
4. 84 + 16 =
5. 22 + 68 =
6. 88 + 12 =
7. 77 + 23 =
8. 46 + 44 =
9. 63 + 37 =
10. 55 + 25 =
Oefening 2
1. 83 + 17 =
2. 15 + 25 =
3. 21 + 19 =
4. 44 + 16 =
5. 71 + 29 =
6. 23 + 37 =
7. 44 + 46 =
8. 43 + 37 =
9. 37 + 13 =
10. 47 + 23 =
Oefening 3
1. 43 + 27 =
2. 34 + 16 =
3. 73 + 17 =
4. 82 + 18 =
5. 73 + 27 =
6. 15 + 55 =
7. 26 + 44 =
8. 31 + 29 =
9. 13 + 37 =
10. 25 + 35 =
Oefening 4
1. 13 + 37 =
2. 45 + 25 =
3. 26 + 44 =
4. 11 + 49 =
5. 85 + 15 =
6. 21 + 49 =
7. 58 + 12 =
8. 35 + 45 =
9. 51 + 39 =
10. 22 + 68 =