Tientallen plus tientallen tot aan het tiental

Optellen
Oefening 1
1. 38 + 22 =
 
2. 31 + 19 =
 
3. 34 + 26 =
 
4. 68 + 12 =
 
5. 12 + 58 =
 
6. 78 + 12 =
 
7. 31 + 69 =
 
8. 51 + 19 =
 
9. 55 + 35 =
 
10. 63 + 17 =
 
Oefening 2
1. 71 + 29 =
 
2. 47 + 13 =
 
3. 86 + 14 =
 
4. 76 + 14 =
 
5. 53 + 37 =
 
6. 15 + 85 =
 
7. 76 + 14 =
 
8. 36 + 44 =
 
9. 12 + 28 =
 
10. 71 + 19 =
 
Oefening 3
1. 44 + 36 =
 
2. 78 + 22 =
 
3. 41 + 19 =
 
4. 45 + 35 =
 
5. 46 + 14 =
 
6. 28 + 52 =
 
7. 33 + 57 =
 
8. 57 + 43 =
 
9. 72 + 18 =
 
10. 57 + 43 =
 
Oefening 4
1. 32 + 68 =
 
2. 33 + 27 =
 
3. 22 + 38 =
 
4. 68 + 22 =
 
5. 48 + 32 =
 
6. 23 + 47 =
 
7. 67 + 13 =
 
8. 22 + 18 =
 
9. 87 + 13 =
 
10. 45 + 25 =
 

Tientallen plus tientallen tot aan het tiental
| ANTWOORDEN

Optellen
Oefening 1
1. 38 + 22 =
2. 31 + 19 =
3. 34 + 26 =
4. 68 + 12 =
5. 12 + 58 =
6. 78 + 12 =
7. 31 + 69 =
8. 51 + 19 =
9. 55 + 35 =
10. 63 + 17 =
Oefening 2
1. 71 + 29 =
2. 47 + 13 =
3. 86 + 14 =
4. 76 + 14 =
5. 53 + 37 =
6. 15 + 85 =
7. 76 + 14 =
8. 36 + 44 =
9. 12 + 28 =
10. 71 + 19 =
Oefening 3
1. 44 + 36 =
2. 78 + 22 =
3. 41 + 19 =
4. 45 + 35 =
5. 46 + 14 =
6. 28 + 52 =
7. 33 + 57 =
8. 57 + 43 =
9. 72 + 18 =
10. 57 + 43 =
Oefening 4
1. 32 + 68 =
2. 33 + 27 =
3. 22 + 38 =
4. 68 + 22 =
5. 48 + 32 =
6. 23 + 47 =
7. 67 + 13 =
8. 22 + 18 =
9. 87 + 13 =
10. 45 + 25 =