Maak de sommen tot 50

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

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