Tientallen/eenheden plus tientallen

Erbijsommen
Oefening 1
1. 26 + 20 =
 
2. 88 + 10 =
 
3. 62 + 40 =
 
4. 21 + 70 =
 
5. 63 + 30 =
 
6. 65 + 30 =
 
7. 76 + 10 =
 
8. 87 + 10 =
 
9. 52 + 30 =
 
10. 28 + 40 =
 
Oefening 2
1. 63 + 30 =
 
2. 73 + 10 =
 
3. 55 + 40 =
 
4. 33 + 30 =
 
5. 67 + 20 =
 
6. 16 + 50 =
 
7. 31 + 10 =
 
8. 72 + 10 =
 
9. 85 + 10 =
 
10. 47 + 20 =
 
Oefening 3
1. 81 + 10 =
 
2. 88 + 10 =
 
3. 81 + 20 =
 
4. 63 + 20 =
 
5. 47 + 10 =
 
6. 44 + 50 =
 
7. 57 + 10 =
 
8. 55 + 30 =
 
9. 58 + 30 =
 
10. 11 + 60 =
 
Oefening 4
1. 32 + 60 =
 
2. 18 + 70 =
 
3. 52 + 30 =
 
4. 55 + 40 =
 
5. 75 + 10 =
 
6. 15 + 20 =
 
7. 43 + 50 =
 
8. 25 + 70 =
 
9. 34 + 30 =
 
10. 54 + 10 =
 

Tientallen/eenheden plus tientallen
| ANTWOORDEN

Erbijsommen
Oefening 1
1. 26 + 20 =
2. 88 + 10 =
3. 62 + 40 =
4. 21 + 70 =
5. 63 + 30 =
6. 65 + 30 =
7. 76 + 10 =
8. 87 + 10 =
9. 52 + 30 =
10. 28 + 40 =
Oefening 2
1. 63 + 30 =
2. 73 + 10 =
3. 55 + 40 =
4. 33 + 30 =
5. 67 + 20 =
6. 16 + 50 =
7. 31 + 10 =
8. 72 + 10 =
9. 85 + 10 =
10. 47 + 20 =
Oefening 3
1. 81 + 10 =
2. 88 + 10 =
3. 81 + 20 =
4. 63 + 20 =
5. 47 + 10 =
6. 44 + 50 =
7. 57 + 10 =
8. 55 + 30 =
9. 58 + 30 =
10. 11 + 60 =
Oefening 4
1. 32 + 60 =
2. 18 + 70 =
3. 52 + 30 =
4. 55 + 40 =
5. 75 + 10 =
6. 15 + 20 =
7. 43 + 50 =
8. 25 + 70 =
9. 34 + 30 =
10. 54 + 10 =