Tientallen/eenheden plus tientallen

Erbijsommen
Oefening 1
1. 26 + 50 =
 
2. 71 + 30 =
 
3. 48 + 30 =
 
4. 75 + 20 =
 
5. 63 + 30 =
 
6. 53 + 40 =
 
7. 26 + 20 =
 
8. 73 + 20 =
 
9. 43 + 10 =
 
10. 87 + 10 =
 
Oefening 2
1. 46 + 30 =
 
2. 75 + 10 =
 
3. 85 + 10 =
 
4. 21 + 10 =
 
5. 51 + 30 =
 
6. 64 + 30 =
 
7. 64 + 30 =
 
8. 65 + 20 =
 
9. 85 + 10 =
 
10. 33 + 60 =
 
Oefening 3
1. 75 + 20 =
 
2. 24 + 40 =
 
3. 56 + 20 =
 
4. 43 + 20 =
 
5. 62 + 20 =
 
6. 76 + 10 =
 
7. 65 + 20 =
 
8. 66 + 20 =
 
9. 44 + 20 =
 
10. 42 + 10 =
 
Oefening 4
1. 62 + 20 =
 
2. 14 + 70 =
 
3. 83 + 10 =
 
4. 17 + 80 =
 
5. 52 + 30 =
 
6. 12 + 60 =
 
7. 75 + 10 =
 
8. 41 + 40 =
 
9. 84 + 20 =
 
10. 85 + 10 =
 

Tientallen/eenheden plus tientallen
| ANTWOORDEN

Erbijsommen
Oefening 1
1. 26 + 50 =
2. 71 + 30 =
3. 48 + 30 =
4. 75 + 20 =
5. 63 + 30 =
6. 53 + 40 =
7. 26 + 20 =
8. 73 + 20 =
9. 43 + 10 =
10. 87 + 10 =
Oefening 2
1. 46 + 30 =
2. 75 + 10 =
3. 85 + 10 =
4. 21 + 10 =
5. 51 + 30 =
6. 64 + 30 =
7. 64 + 30 =
8. 65 + 20 =
9. 85 + 10 =
10. 33 + 60 =
Oefening 3
1. 75 + 20 =
2. 24 + 40 =
3. 56 + 20 =
4. 43 + 20 =
5. 62 + 20 =
6. 76 + 10 =
7. 65 + 20 =
8. 66 + 20 =
9. 44 + 20 =
10. 42 + 10 =
Oefening 4
1. 62 + 20 =
2. 14 + 70 =
3. 83 + 10 =
4. 17 + 80 =
5. 52 + 30 =
6. 12 + 60 =
7. 75 + 10 =
8. 41 + 40 =
9. 84 + 20 =
10. 85 + 10 =