Maak de sommen tot 50

Erbijsommen
1.
30
+
20
=
2.
0
+
20
=
3.
40
+
10
=
4.
0
+
45
=
5.
45
+
5
=
6.
5
+
30
=
7.
10
+
40
=
8.
0
+
45
=
9.
45
+
5
=
10.
10
+
30
=
11.
0
+
30
=
12.
0
+
15
=
13.
40
+
10
=
14.
5
+
15
=
15.
15
+
20
=
16.
50
+
0
=
17.
20
+
10
=
18.
30
+
0
=
19.
10
+
25
=
20.
0
+
5
=
21.
40
+
0
=
22.
10
+
20
=
23.
30
+
5
=
24.
35
+
15
=
25.
35
+
10
=
26.
15
+
5
=
27.
45
+
0
=
28.
0
+
35
=
29.
10
+
5
=
30.
20
+
30
=
31.
50
+
0
=
32.
0
+
35
=
33.
5
+
45
=
34.
40
+
0
=
35.
5
+
10
=
36.
0
+
45
=
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Maak de sommen tot 50
| ANTWOORDEN

Erbijsommen
1.
30
+
20
=
50
2.
0
+
20
=
20
3.
40
+
10
=
50
4.
0
+
45
=
45
5.
45
+
5
=
50
6.
5
+
30
=
35
7.
10
+
40
=
50
8.
0
+
45
=
45
9.
45
+
5
=
50
10.
10
+
30
=
40
11.
0
+
30
=
30
12.
0
+
15
=
15
13.
40
+
10
=
50
14.
5
+
15
=
20
15.
15
+
20
=
35
16.
50
+
0
=
50
17.
20
+
10
=
30
18.
30
+
0
=
30
19.
10
+
25
=
35
20.
0
+
5
=
5
21.
40
+
0
=
40
22.
10
+
20
=
30
23.
30
+
5
=
35
24.
35
+
15
=
50
25.
35
+
10
=
45
26.
15
+
5
=
20
27.
45
+
0
=
45
28.
0
+
35
=
35
29.
10
+
5
=
15
30.
20
+
30
=
50
31.
50
+
0
=
50
32.
0
+
35
=
35
33.
5
+
45
=
50
34.
40
+
0
=
40
35.
5
+
10
=
15
36.
0
+
45
=
45
© JuniorEinstein.nl
Online oefenen  |   Educatieve boeken  |   Werkbladen  |   Educatieve materialen