Tientallen/eenheden en eenheden optellen

Erbijsommen
Oefening 1
1. 67 + 1 =
 
2. 25 + 5 =
 
3. 38 + 1 =
 
4. 54 + 1 =
 
5. 84 + 4 =
 
6. 11 + 2 =
 
7. 13 + 5 =
 
8. 98 + 2 =
 
9. 58 + 2 =
 
10. 11 + 8 =
 
Oefening 2
1. 98 + 1 =
 
2. 21 + 9 =
 
3. 45 + 3 =
 
4. 51 + 9 =
 
5. 42 + 4 =
 
6. 14 + 4 =
 
7. 23 + 1 =
 
8. 65 + 2 =
 
9. 95 + 2 =
 
10. 53 + 4 =
 
Oefening 3
1. 13 + 4 =
 
2. 65 + 4 =
 
3. 87 + 2 =
 
4. 98 + 1 =
 
5. 33 + 3 =
 
6. 84 + 2 =
 
7. 27 + 2 =
 
8. 74 + 6 =
 
9. 62 + 8 =
 
10. 32 + 1 =
 
Oefening 4
1. 91 + 2 =
 
2. 36 + 4 =
 
3. 97 + 2 =
 
4. 13 + 4 =
 
5. 53 + 6 =
 
6. 72 + 2 =
 
7. 61 + 2 =
 
8. 93 + 3 =
 
9. 37 + 2 =
 
10. 72 + 7 =
 

Tientallen/eenheden en eenheden optellen
| ANTWOORDEN

Erbijsommen
Oefening 1
1. 67 + 1 =
2. 25 + 5 =
3. 38 + 1 =
4. 54 + 1 =
5. 84 + 4 =
6. 11 + 2 =
7. 13 + 5 =
8. 98 + 2 =
9. 58 + 2 =
10. 11 + 8 =
Oefening 2
1. 98 + 1 =
2. 21 + 9 =
3. 45 + 3 =
4. 51 + 9 =
5. 42 + 4 =
6. 14 + 4 =
7. 23 + 1 =
8. 65 + 2 =
9. 95 + 2 =
10. 53 + 4 =
Oefening 3
1. 13 + 4 =
2. 65 + 4 =
3. 87 + 2 =
4. 98 + 1 =
5. 33 + 3 =
6. 84 + 2 =
7. 27 + 2 =
8. 74 + 6 =
9. 62 + 8 =
10. 32 + 1 =
Oefening 4
1. 91 + 2 =
2. 36 + 4 =
3. 97 + 2 =
4. 13 + 4 =
5. 53 + 6 =
6. 72 + 2 =
7. 61 + 2 =
8. 93 + 3 =
9. 37 + 2 =
10. 72 + 7 =