Tientallen plus tientallen tot aan het tiental

Erbijsommen
Oefening 1
1. 44 + 46 =
 
2. 13 + 87 =
 
3. 74 + 16 =
 
4. 52 + 28 =
 
5. 37 + 23 =
 
6. 87 + 13 =
 
7. 75 + 15 =
 
8. 88 + 12 =
 
9. 34 + 16 =
 
10. 73 + 27 =
 
Oefening 2
1. 65 + 25 =
 
2. 27 + 13 =
 
3. 85 + 15 =
 
4. 28 + 52 =
 
5. 83 + 17 =
 
6. 74 + 26 =
 
7. 21 + 69 =
 
8. 18 + 62 =
 
9. 73 + 27 =
 
10. 27 + 53 =
 
Oefening 3
1. 68 + 22 =
 
2. 37 + 23 =
 
3. 77 + 23 =
 
4. 47 + 13 =
 
5. 62 + 28 =
 
6. 68 + 22 =
 
7. 62 + 28 =
 
8. 88 + 12 =
 
9. 46 + 24 =
 
10. 56 + 24 =
 
Oefening 4
1. 54 + 26 =
 
2. 44 + 16 =
 
3. 55 + 25 =
 
4. 25 + 25 =
 
5. 36 + 34 =
 
6. 18 + 12 =
 
7. 74 + 26 =
 
8. 44 + 46 =
 
9. 53 + 47 =
 
10. 51 + 39 =
 

Tientallen plus tientallen tot aan het tiental
| ANTWOORDEN

Erbijsommen
Oefening 1
1. 44 + 46 =
2. 13 + 87 =
3. 74 + 16 =
4. 52 + 28 =
5. 37 + 23 =
6. 87 + 13 =
7. 75 + 15 =
8. 88 + 12 =
9. 34 + 16 =
10. 73 + 27 =
Oefening 2
1. 65 + 25 =
2. 27 + 13 =
3. 85 + 15 =
4. 28 + 52 =
5. 83 + 17 =
6. 74 + 26 =
7. 21 + 69 =
8. 18 + 62 =
9. 73 + 27 =
10. 27 + 53 =
Oefening 3
1. 68 + 22 =
2. 37 + 23 =
3. 77 + 23 =
4. 47 + 13 =
5. 62 + 28 =
6. 68 + 22 =
7. 62 + 28 =
8. 88 + 12 =
9. 46 + 24 =
10. 56 + 24 =
Oefening 4
1. 54 + 26 =
2. 44 + 16 =
3. 55 + 25 =
4. 25 + 25 =
5. 36 + 34 =
6. 18 + 12 =
7. 74 + 26 =
8. 44 + 46 =
9. 53 + 47 =
10. 51 + 39 =