Tientallen/eenheden plus tientallen

Erbijsommen
Oefening 1
1. 37 + 50 =
 
2. 22 + 80 =
 
3. 24 + 30 =
 
4. 37 + 30 =
 
5. 72 + 20 =
 
6. 35 + 50 =
 
7. 78 + 20 =
 
8. 47 + 30 =
 
9. 28 + 30 =
 
10. 51 + 30 =
 
Oefening 2
1. 78 + 20 =
 
2. 65 + 20 =
 
3. 67 + 20 =
 
4. 36 + 50 =
 
5. 31 + 70 =
 
6. 47 + 20 =
 
7. 76 + 20 =
 
8. 13 + 60 =
 
9. 76 + 20 =
 
10. 76 + 10 =
 
Oefening 3
1. 51 + 40 =
 
2. 61 + 30 =
 
3. 45 + 40 =
 
4. 87 + 10 =
 
5. 72 + 20 =
 
6. 76 + 20 =
 
7. 53 + 40 =
 
8. 88 + 10 =
 
9. 58 + 20 =
 
10. 65 + 30 =
 
Oefening 4
1. 53 + 30 =
 
2. 18 + 70 =
 
3. 65 + 20 =
 
4. 46 + 50 =
 
5. 43 + 50 =
 
6. 86 + 10 =
 
7. 56 + 30 =
 
8. 51 + 30 =
 
9. 66 + 10 =
 
10. 65 + 20 =
 

Tientallen/eenheden plus tientallen
| ANTWOORDEN

Erbijsommen
Oefening 1
1. 37 + 50 =
2. 22 + 80 =
3. 24 + 30 =
4. 37 + 30 =
5. 72 + 20 =
6. 35 + 50 =
7. 78 + 20 =
8. 47 + 30 =
9. 28 + 30 =
10. 51 + 30 =
Oefening 2
1. 78 + 20 =
2. 65 + 20 =
3. 67 + 20 =
4. 36 + 50 =
5. 31 + 70 =
6. 47 + 20 =
7. 76 + 20 =
8. 13 + 60 =
9. 76 + 20 =
10. 76 + 10 =
Oefening 3
1. 51 + 40 =
2. 61 + 30 =
3. 45 + 40 =
4. 87 + 10 =
5. 72 + 20 =
6. 76 + 20 =
7. 53 + 40 =
8. 88 + 10 =
9. 58 + 20 =
10. 65 + 30 =
Oefening 4
1. 53 + 30 =
2. 18 + 70 =
3. 65 + 20 =
4. 46 + 50 =
5. 43 + 50 =
6. 86 + 10 =
7. 56 + 30 =
8. 51 + 30 =
9. 66 + 10 =
10. 65 + 20 =