Tientallen/eenheden en eenheden optellen

Erbijsommen
Oefening 1
1. 58 + 2 =
 
2. 42 + 5 =
 
3. 47 + 3 =
 
4. 37 + 1 =
 
5. 91 + 9 =
 
6. 28 + 2 =
 
7. 91 + 6 =
 
8. 75 + 5 =
 
9. 78 + 1 =
 
10. 11 + 9 =
 
Oefening 2
1. 67 + 3 =
 
2. 62 + 3 =
 
3. 98 + 1 =
 
4. 53 + 3 =
 
5. 25 + 1 =
 
6. 72 + 4 =
 
7. 91 + 2 =
 
8. 87 + 2 =
 
9. 92 + 1 =
 
10. 25 + 2 =
 
Oefening 3
1. 24 + 6 =
 
2. 65 + 5 =
 
3. 88 + 2 =
 
4. 88 + 2 =
 
5. 63 + 7 =
 
6. 84 + 4 =
 
7. 91 + 3 =
 
8. 44 + 5 =
 
9. 36 + 1 =
 
10. 24 + 4 =
 
Oefening 4
1. 13 + 3 =
 
2. 42 + 3 =
 
3. 68 + 2 =
 
4. 61 + 6 =
 
5. 14 + 1 =
 
6. 82 + 8 =
 
7. 86 + 2 =
 
8. 34 + 4 =
 
9. 72 + 4 =
 
10. 82 + 2 =
 

Tientallen/eenheden en eenheden optellen
| ANTWOORDEN

Erbijsommen
Oefening 1
1. 58 + 2 =
2. 42 + 5 =
3. 47 + 3 =
4. 37 + 1 =
5. 91 + 9 =
6. 28 + 2 =
7. 91 + 6 =
8. 75 + 5 =
9. 78 + 1 =
10. 11 + 9 =
Oefening 2
1. 67 + 3 =
2. 62 + 3 =
3. 98 + 1 =
4. 53 + 3 =
5. 25 + 1 =
6. 72 + 4 =
7. 91 + 2 =
8. 87 + 2 =
9. 92 + 1 =
10. 25 + 2 =
Oefening 3
1. 24 + 6 =
2. 65 + 5 =
3. 88 + 2 =
4. 88 + 2 =
5. 63 + 7 =
6. 84 + 4 =
7. 91 + 3 =
8. 44 + 5 =
9. 36 + 1 =
10. 24 + 4 =
Oefening 4
1. 13 + 3 =
2. 42 + 3 =
3. 68 + 2 =
4. 61 + 6 =
5. 14 + 1 =
6. 82 + 8 =
7. 86 + 2 =
8. 34 + 4 =
9. 72 + 4 =
10. 82 + 2 =