Tientallen plus tientallen tot aan het tiental

Erbijsommen
Oefening 1
1. 61 + 39 =
 
2. 46 + 44 =
 
3. 64 + 26 =
 
4. 66 + 34 =
 
5. 18 + 52 =
 
6. 24 + 66 =
 
7. 81 + 19 =
 
8. 72 + 18 =
 
9. 61 + 19 =
 
10. 51 + 29 =
 
Oefening 2
1. 13 + 17 =
 
2. 68 + 12 =
 
3. 13 + 67 =
 
4. 57 + 23 =
 
5. 83 + 17 =
 
6. 14 + 16 =
 
7. 51 + 39 =
 
8. 81 + 19 =
 
9. 75 + 15 =
 
10. 31 + 39 =
 
Oefening 3
1. 72 + 28 =
 
2. 72 + 28 =
 
3. 72 + 18 =
 
4. 16 + 74 =
 
5. 66 + 34 =
 
6. 51 + 29 =
 
7. 84 + 16 =
 
8. 36 + 24 =
 
9. 48 + 22 =
 
10. 46 + 14 =
 
Oefening 4
1. 58 + 12 =
 
2. 44 + 56 =
 
3. 84 + 16 =
 
4. 55 + 15 =
 
5. 43 + 37 =
 
6. 62 + 28 =
 
7. 84 + 16 =
 
8. 67 + 13 =
 
9. 54 + 26 =
 
10. 57 + 33 =
 

Tientallen plus tientallen tot aan het tiental
| ANTWOORDEN

Erbijsommen
Oefening 1
1. 61 + 39 =
2. 46 + 44 =
3. 64 + 26 =
4. 66 + 34 =
5. 18 + 52 =
6. 24 + 66 =
7. 81 + 19 =
8. 72 + 18 =
9. 61 + 19 =
10. 51 + 29 =
Oefening 2
1. 13 + 17 =
2. 68 + 12 =
3. 13 + 67 =
4. 57 + 23 =
5. 83 + 17 =
6. 14 + 16 =
7. 51 + 39 =
8. 81 + 19 =
9. 75 + 15 =
10. 31 + 39 =
Oefening 3
1. 72 + 28 =
2. 72 + 28 =
3. 72 + 18 =
4. 16 + 74 =
5. 66 + 34 =
6. 51 + 29 =
7. 84 + 16 =
8. 36 + 24 =
9. 48 + 22 =
10. 46 + 14 =
Oefening 4
1. 58 + 12 =
2. 44 + 56 =
3. 84 + 16 =
4. 55 + 15 =
5. 43 + 37 =
6. 62 + 28 =
7. 84 + 16 =
8. 67 + 13 =
9. 54 + 26 =
10. 57 + 33 =