Tientallen plus tientallen tot aan het tiental

Erbijsommen
Oefening 1
1. 18 + 62 =
 
2. 67 + 13 =
 
3. 41 + 19 =
 
4. 41 + 39 =
 
5. 46 + 44 =
 
6. 63 + 27 =
 
7. 75 + 25 =
 
8. 12 + 38 =
 
9. 64 + 26 =
 
10. 31 + 19 =
 
Oefening 2
1. 72 + 28 =
 
2. 55 + 35 =
 
3. 63 + 17 =
 
4. 12 + 78 =
 
5. 65 + 35 =
 
6. 61 + 29 =
 
7. 27 + 33 =
 
8. 77 + 23 =
 
9. 71 + 19 =
 
10. 74 + 26 =
 
Oefening 3
1. 13 + 27 =
 
2. 43 + 47 =
 
3. 53 + 17 =
 
4. 36 + 44 =
 
5. 28 + 62 =
 
6. 34 + 56 =
 
7. 75 + 15 =
 
8. 53 + 47 =
 
9. 17 + 23 =
 
10. 75 + 15 =
 
Oefening 4
1. 86 + 14 =
 
2. 22 + 48 =
 
3. 26 + 24 =
 
4. 34 + 36 =
 
5. 54 + 46 =
 
6. 53 + 37 =
 
7. 12 + 48 =
 
8. 66 + 14 =
 
9. 24 + 46 =
 
10. 45 + 15 =
 

Tientallen plus tientallen tot aan het tiental
| ANTWOORDEN

Erbijsommen
Oefening 1
1. 18 + 62 =
2. 67 + 13 =
3. 41 + 19 =
4. 41 + 39 =
5. 46 + 44 =
6. 63 + 27 =
7. 75 + 25 =
8. 12 + 38 =
9. 64 + 26 =
10. 31 + 19 =
Oefening 2
1. 72 + 28 =
2. 55 + 35 =
3. 63 + 17 =
4. 12 + 78 =
5. 65 + 35 =
6. 61 + 29 =
7. 27 + 33 =
8. 77 + 23 =
9. 71 + 19 =
10. 74 + 26 =
Oefening 3
1. 13 + 27 =
2. 43 + 47 =
3. 53 + 17 =
4. 36 + 44 =
5. 28 + 62 =
6. 34 + 56 =
7. 75 + 15 =
8. 53 + 47 =
9. 17 + 23 =
10. 75 + 15 =
Oefening 4
1. 86 + 14 =
2. 22 + 48 =
3. 26 + 24 =
4. 34 + 36 =
5. 54 + 46 =
6. 53 + 37 =
7. 12 + 48 =
8. 66 + 14 =
9. 24 + 46 =
10. 45 + 15 =