Reken de sommen tot 50 uit

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

Reken de sommen tot 50 uit
| ANTWOORDEN

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