Oefen de erbijsommen tot 20

Erbijsommen
1.
14 + 6 =
2.
8 + 8 =
3.
13 + 0 =
4.
13 + 3 =
5.
11 + 4 =
6.
6 + 14 =
7.
4 + 0 =
8.
10 + 5 =
9.
4 + 4 =
10.
2 + 11 =
11.
20 + 0 =
12.
1 + 1 =
13.
20 + 0 =
14.
15 + 1 =
15.
7 + 1 =
16.
2 + 10 =
17.
16 + 4 =
18.
12 + 6 =
19.
13 + 6 =
20.
4 + 7 =
21.
6 + 8 =
22.
19 + 1 =
23.
16 + 1 =
24.
5 + 3 =
25.
19 + 1 =
26.
17 + 1 =
27.
11 + 6 =
28.
11 + 5 =
29.
3 + 2 =
30.
6 + 5 =
31.
3 + 1 =
32.
2 + 16 =
33.
1 + 4 =

Oefen de erbijsommen tot 20
| ANTWOORDEN

Erbijsommen
1.
14 + 6 =
20
2.
8 + 8 =
16
3.
13 + 0 =
13
4.
13 + 3 =
16
5.
11 + 4 =
15
6.
6 + 14 =
20
7.
4 + 0 =
4
8.
10 + 5 =
15
9.
4 + 4 =
8
10.
2 + 11 =
13
11.
20 + 0 =
20
12.
1 + 1 =
2
13.
20 + 0 =
20
14.
15 + 1 =
16
15.
7 + 1 =
8
16.
2 + 10 =
12
17.
16 + 4 =
20
18.
12 + 6 =
18
19.
13 + 6 =
19
20.
4 + 7 =
11
21.
6 + 8 =
14
22.
19 + 1 =
20
23.
16 + 1 =
17
24.
5 + 3 =
8
25.
19 + 1 =
20
26.
17 + 1 =
18
27.
11 + 6 =
17
28.
11 + 5 =
16
29.
3 + 2 =
5
30.
6 + 5 =
11
31.
3 + 1 =
4
32.
2 + 16 =
18
33.
1 + 4 =
5