Tientallen/eenheden en eenheden optellen

Erbijsommen
Oefening 1
1. 41 + 8 =
 
2. 87 + 3 =
 
3. 12 + 4 =
 
4. 94 + 3 =
 
5. 78 + 2 =
 
6. 94 + 3 =
 
7. 17 + 3 =
 
8. 93 + 1 =
 
9. 47 + 2 =
 
10. 62 + 8 =
 
Oefening 2
1. 77 + 1 =
 
2. 43 + 6 =
 
3. 87 + 1 =
 
4. 28 + 1 =
 
5. 92 + 5 =
 
6. 67 + 1 =
 
7. 55 + 2 =
 
8. 25 + 2 =
 
9. 87 + 2 =
 
10. 66 + 4 =
 
Oefening 3
1. 57 + 1 =
 
2. 54 + 4 =
 
3. 43 + 1 =
 
4. 14 + 4 =
 
5. 73 + 7 =
 
6. 88 + 2 =
 
7. 55 + 5 =
 
8. 77 + 2 =
 
9. 31 + 3 =
 
10. 74 + 2 =
 
Oefening 4
1. 77 + 1 =
 
2. 77 + 2 =
 
3. 26 + 3 =
 
4. 31 + 7 =
 
5. 34 + 5 =
 
6. 44 + 6 =
 
7. 85 + 2 =
 
8. 41 + 7 =
 
9. 15 + 1 =
 
10. 68 + 2 =
 

Tientallen/eenheden en eenheden optellen
| ANTWOORDEN

Erbijsommen
Oefening 1
1. 41 + 8 =
2. 87 + 3 =
3. 12 + 4 =
4. 94 + 3 =
5. 78 + 2 =
6. 94 + 3 =
7. 17 + 3 =
8. 93 + 1 =
9. 47 + 2 =
10. 62 + 8 =
Oefening 2
1. 77 + 1 =
2. 43 + 6 =
3. 87 + 1 =
4. 28 + 1 =
5. 92 + 5 =
6. 67 + 1 =
7. 55 + 2 =
8. 25 + 2 =
9. 87 + 2 =
10. 66 + 4 =
Oefening 3
1. 57 + 1 =
2. 54 + 4 =
3. 43 + 1 =
4. 14 + 4 =
5. 73 + 7 =
6. 88 + 2 =
7. 55 + 5 =
8. 77 + 2 =
9. 31 + 3 =
10. 74 + 2 =
Oefening 4
1. 77 + 1 =
2. 77 + 2 =
3. 26 + 3 =
4. 31 + 7 =
5. 34 + 5 =
6. 44 + 6 =
7. 85 + 2 =
8. 41 + 7 =
9. 15 + 1 =
10. 68 + 2 =