Rekensommen met eraf tot 50

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

Rekensommen met eraf tot 50
| ANTWOORDEN

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