Tientallen plus tientallen tot aan het tiental

Optellen
Oefening 1
1. 16 + 34 =
 
2. 48 + 52 =
 
3. 38 + 42 =
 
4. 56 + 44 =
 
5. 71 + 19 =
 
6. 84 + 16 =
 
7. 23 + 67 =
 
8. 74 + 26 =
 
9. 21 + 69 =
 
10. 82 + 18 =
 
Oefening 2
1. 65 + 35 =
 
2. 61 + 29 =
 
3. 82 + 18 =
 
4. 73 + 27 =
 
5. 82 + 18 =
 
6. 34 + 36 =
 
7. 88 + 12 =
 
8. 67 + 33 =
 
9. 28 + 22 =
 
10. 87 + 13 =
 
Oefening 3
1. 86 + 14 =
 
2. 63 + 17 =
 
3. 32 + 28 =
 
4. 22 + 78 =
 
5. 51 + 39 =
 
6. 53 + 17 =
 
7. 74 + 26 =
 
8. 78 + 12 =
 
9. 24 + 46 =
 
10. 56 + 44 =
 
Oefening 4
1. 74 + 16 =
 
2. 28 + 22 =
 
3. 17 + 13 =
 
4. 28 + 42 =
 
5. 24 + 56 =
 
6. 13 + 37 =
 
7. 82 + 18 =
 
8. 63 + 17 =
 
9. 84 + 16 =
 
10. 43 + 17 =
 

Tientallen plus tientallen tot aan het tiental
| ANTWOORDEN

Optellen
Oefening 1
1. 16 + 34 =
2. 48 + 52 =
3. 38 + 42 =
4. 56 + 44 =
5. 71 + 19 =
6. 84 + 16 =
7. 23 + 67 =
8. 74 + 26 =
9. 21 + 69 =
10. 82 + 18 =
Oefening 2
1. 65 + 35 =
2. 61 + 29 =
3. 82 + 18 =
4. 73 + 27 =
5. 82 + 18 =
6. 34 + 36 =
7. 88 + 12 =
8. 67 + 33 =
9. 28 + 22 =
10. 87 + 13 =
Oefening 3
1. 86 + 14 =
2. 63 + 17 =
3. 32 + 28 =
4. 22 + 78 =
5. 51 + 39 =
6. 53 + 17 =
7. 74 + 26 =
8. 78 + 12 =
9. 24 + 46 =
10. 56 + 44 =
Oefening 4
1. 74 + 16 =
2. 28 + 22 =
3. 17 + 13 =
4. 28 + 42 =
5. 24 + 56 =
6. 13 + 37 =
7. 82 + 18 =
8. 63 + 17 =
9. 84 + 16 =
10. 43 + 17 =