Tientallen/eenheden plus tientallen

Erbijsommen
Oefening 1
1. 62 + 40 =
 
2. 85 + 10 =
 
3. 11 + 50 =
 
4. 68 + 20 =
 
5. 28 + 70 =
 
6. 82 + 20 =
 
7. 73 + 30 =
 
8. 71 + 10 =
 
9. 85 + 10 =
 
10. 43 + 60 =
 
Oefening 2
1. 58 + 20 =
 
2. 72 + 20 =
 
3. 65 + 20 =
 
4. 61 + 20 =
 
5. 13 + 80 =
 
6. 78 + 20 =
 
7. 87 + 10 =
 
8. 56 + 30 =
 
9. 76 + 20 =
 
10. 17 + 20 =
 
Oefening 3
1. 13 + 30 =
 
2. 66 + 30 =
 
3. 11 + 20 =
 
4. 74 + 20 =
 
5. 46 + 20 =
 
6. 42 + 40 =
 
7. 83 + 10 =
 
8. 17 + 80 =
 
9. 58 + 20 =
 
10. 67 + 30 =
 
Oefening 4
1. 23 + 60 =
 
2. 63 + 30 =
 
3. 35 + 40 =
 
4. 22 + 20 =
 
5. 51 + 50 =
 
6. 88 + 10 =
 
7. 78 + 20 =
 
8. 26 + 40 =
 
9. 65 + 30 =
 
10. 47 + 30 =
 

Tientallen/eenheden plus tientallen
| ANTWOORDEN

Erbijsommen
Oefening 1
1. 62 + 40 =
2. 85 + 10 =
3. 11 + 50 =
4. 68 + 20 =
5. 28 + 70 =
6. 82 + 20 =
7. 73 + 30 =
8. 71 + 10 =
9. 85 + 10 =
10. 43 + 60 =
Oefening 2
1. 58 + 20 =
2. 72 + 20 =
3. 65 + 20 =
4. 61 + 20 =
5. 13 + 80 =
6. 78 + 20 =
7. 87 + 10 =
8. 56 + 30 =
9. 76 + 20 =
10. 17 + 20 =
Oefening 3
1. 13 + 30 =
2. 66 + 30 =
3. 11 + 20 =
4. 74 + 20 =
5. 46 + 20 =
6. 42 + 40 =
7. 83 + 10 =
8. 17 + 80 =
9. 58 + 20 =
10. 67 + 30 =
Oefening 4
1. 23 + 60 =
2. 63 + 30 =
3. 35 + 40 =
4. 22 + 20 =
5. 51 + 50 =
6. 88 + 10 =
7. 78 + 20 =
8. 26 + 40 =
9. 65 + 30 =
10. 47 + 30 =