Tientallen plus tientallen tot aan het tiental

Optellen
Oefening 1
1. 54 + 36 =
 
2. 53 + 17 =
 
3. 51 + 19 =
 
4. 63 + 27 =
 
5. 73 + 27 =
 
6. 37 + 43 =
 
7. 16 + 84 =
 
8. 78 + 22 =
 
9. 46 + 44 =
 
10. 43 + 27 =
 
Oefening 2
1. 48 + 42 =
 
2. 18 + 72 =
 
3. 34 + 26 =
 
4. 44 + 16 =
 
5. 74 + 16 =
 
6. 24 + 16 =
 
7. 85 + 15 =
 
8. 63 + 17 =
 
9. 17 + 23 =
 
10. 23 + 77 =
 
Oefening 3
1. 88 + 12 =
 
2. 73 + 17 =
 
3. 23 + 77 =
 
4. 48 + 12 =
 
5. 54 + 26 =
 
6. 44 + 16 =
 
7. 21 + 69 =
 
8. 55 + 15 =
 
9. 43 + 37 =
 
10. 34 + 16 =
 
Oefening 4
1. 15 + 35 =
 
2. 67 + 23 =
 
3. 85 + 15 =
 
4. 26 + 44 =
 
5. 38 + 52 =
 
6. 34 + 26 =
 
7. 34 + 16 =
 
8. 35 + 15 =
 
9. 15 + 45 =
 
10. 76 + 24 =
 

Tientallen plus tientallen tot aan het tiental
| ANTWOORDEN

Optellen
Oefening 1
1. 54 + 36 =
2. 53 + 17 =
3. 51 + 19 =
4. 63 + 27 =
5. 73 + 27 =
6. 37 + 43 =
7. 16 + 84 =
8. 78 + 22 =
9. 46 + 44 =
10. 43 + 27 =
Oefening 2
1. 48 + 42 =
2. 18 + 72 =
3. 34 + 26 =
4. 44 + 16 =
5. 74 + 16 =
6. 24 + 16 =
7. 85 + 15 =
8. 63 + 17 =
9. 17 + 23 =
10. 23 + 77 =
Oefening 3
1. 88 + 12 =
2. 73 + 17 =
3. 23 + 77 =
4. 48 + 12 =
5. 54 + 26 =
6. 44 + 16 =
7. 21 + 69 =
8. 55 + 15 =
9. 43 + 37 =
10. 34 + 16 =
Oefening 4
1. 15 + 35 =
2. 67 + 23 =
3. 85 + 15 =
4. 26 + 44 =
5. 38 + 52 =
6. 34 + 26 =
7. 34 + 16 =
8. 35 + 15 =
9. 15 + 45 =
10. 76 + 24 =