Rekensommen met erbij tot 50

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

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