Tientallen/eenheden plus tientallen

Erbijsommen
Oefening 1
1. 66 + 20 =
 
2. 83 + 20 =
 
3. 82 + 20 =
 
4. 46 + 20 =
 
5. 75 + 30 =
 
6. 23 + 50 =
 
7. 27 + 20 =
 
8. 71 + 20 =
 
9. 66 + 30 =
 
10. 61 + 40 =
 
Oefening 2
1. 44 + 50 =
 
2. 67 + 20 =
 
3. 18 + 40 =
 
4. 25 + 40 =
 
5. 26 + 60 =
 
6. 72 + 20 =
 
7. 47 + 10 =
 
8. 74 + 20 =
 
9. 72 + 30 =
 
10. 67 + 20 =
 
Oefening 3
1. 83 + 10 =
 
2. 36 + 50 =
 
3. 28 + 20 =
 
4. 22 + 10 =
 
5. 71 + 20 =
 
6. 65 + 30 =
 
7. 75 + 20 =
 
8. 74 + 30 =
 
9. 56 + 10 =
 
10. 43 + 10 =
 
Oefening 4
1. 34 + 40 =
 
2. 66 + 30 =
 
3. 21 + 80 =
 
4. 62 + 40 =
 
5. 81 + 20 =
 
6. 42 + 10 =
 
7. 17 + 80 =
 
8. 25 + 50 =
 
9. 51 + 30 =
 
10. 18 + 10 =
 

Tientallen/eenheden plus tientallen
| ANTWOORDEN

Erbijsommen
Oefening 1
1. 66 + 20 =
2. 83 + 20 =
3. 82 + 20 =
4. 46 + 20 =
5. 75 + 30 =
6. 23 + 50 =
7. 27 + 20 =
8. 71 + 20 =
9. 66 + 30 =
10. 61 + 40 =
Oefening 2
1. 44 + 50 =
2. 67 + 20 =
3. 18 + 40 =
4. 25 + 40 =
5. 26 + 60 =
6. 72 + 20 =
7. 47 + 10 =
8. 74 + 20 =
9. 72 + 30 =
10. 67 + 20 =
Oefening 3
1. 83 + 10 =
2. 36 + 50 =
3. 28 + 20 =
4. 22 + 10 =
5. 71 + 20 =
6. 65 + 30 =
7. 75 + 20 =
8. 74 + 30 =
9. 56 + 10 =
10. 43 + 10 =
Oefening 4
1. 34 + 40 =
2. 66 + 30 =
3. 21 + 80 =
4. 62 + 40 =
5. 81 + 20 =
6. 42 + 10 =
7. 17 + 80 =
8. 25 + 50 =
9. 51 + 30 =
10. 18 + 10 =