Hoeveel is het samen?

Erbijsommen
Oefening 1
1. 30 + 8 =
2. 20 + 9 =
3. 30 + 1 =
4. 10 + 9 =
5. 70 + 4 =
6. 20 + 9 =
7. 40 + 5 =
8. 10 + 9 =
9. 30 + 9 =
10. 80 + 9 =
Oefening 2
1. 10 + 6 =
2. 70 + 3 =
3. 50 + 7 =
4. 40 + 2 =
5. 80 + 2 =
6. 40 + 9 =
7. 40 + 8 =
8. 30 + 3 =
9. 60 + 4 =
10. 20 + 6 =
Oefening 3
1. 40 + 8 =
2. 20 + 2 =
3. 70 + 1 =
4. 60 + 8 =
5. 10 + 8 =
6. 40 + 2 =
7. 30 + 6 =
8. 90 + 4 =
9. 70 + 6 =
10. 40 + 5 =
Oefening 4
1. 90 + 8 =
2. 20 + 7 =
3. 60 + 6 =
4. 40 + 9 =
5. 20 + 6 =
6. 50 + 4 =
7. 70 + 4 =
8. 10 + 7 =
9. 50 + 9 =
10. 50 + 7 =

Hoeveel is het samen?
| ANTWOORDEN

Erbijsommen
Oefening 1
1. 30 + 8 =
2. 20 + 9 =
3. 30 + 1 =
4. 10 + 9 =
5. 70 + 4 =
6. 20 + 9 =
7. 40 + 5 =
8. 10 + 9 =
9. 30 + 9 =
10. 80 + 9 =
Oefening 2
1. 10 + 6 =
2. 70 + 3 =
3. 50 + 7 =
4. 40 + 2 =
5. 80 + 2 =
6. 40 + 9 =
7. 40 + 8 =
8. 30 + 3 =
9. 60 + 4 =
10. 20 + 6 =
Oefening 3
1. 40 + 8 =
2. 20 + 2 =
3. 70 + 1 =
4. 60 + 8 =
5. 10 + 8 =
6. 40 + 2 =
7. 30 + 6 =
8. 90 + 4 =
9. 70 + 6 =
10. 40 + 5 =
Oefening 4
1. 90 + 8 =
2. 20 + 7 =
3. 60 + 6 =
4. 40 + 9 =
5. 20 + 6 =
6. 50 + 4 =
7. 70 + 4 =
8. 10 + 7 =
9. 50 + 9 =
10. 50 + 7 =