Rekensommen met eraf tot 100

Erafsommen
1.
25
–
5
=
2.
90
–
35
=
3.
60
–
60
=
4.
100
–
85
=
5.
100
–
15
=
6.
50
–
10
=
7.
40
–
0
=
8.
5
–
0
=
9.
45
–
30
=
10.
35
–
10
=
11.
45
–
0
=
12.
40
–
30
=
13.
85
–
50
=
14.
85
–
10
=
15.
50
–
30
=
16.
5
–
5
=
17.
100
–
55
=
18.
20
–
15
=
19.
20
–
15
=
20.
90
–
75
=
21.
35
–
20
=
22.
85
–
60
=
23.
30
–
5
=
24.
50
–
35
=
25.
85
–
40
=
26.
90
–
15
=
27.
15
–
15
=
28.
15
–
0
=
29.
35
–
10
=
30.
30
–
15
=
31.
55
–
5
=
32.
75
–
30
=
33.
25
–
20
=
34.
30
–
20
=
35.
25
–
5
=
36.
55
–
20
=
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Rekensommen met eraf tot 100
| ANTWOORDEN

Erafsommen
1.
25
–
5
=
20
2.
90
–
35
=
55
3.
60
–
60
=
0
4.
100
–
85
=
15
5.
100
–
15
=
85
6.
50
–
10
=
40
7.
40
–
0
=
40
8.
5
–
0
=
5
9.
45
–
30
=
15
10.
35
–
10
=
25
11.
45
–
0
=
45
12.
40
–
30
=
10
13.
85
–
50
=
35
14.
85
–
10
=
75
15.
50
–
30
=
20
16.
5
–
5
=
0
17.
100
–
55
=
45
18.
20
–
15
=
5
19.
20
–
15
=
5
20.
90
–
75
=
15
21.
35
–
20
=
15
22.
85
–
60
=
25
23.
30
–
5
=
25
24.
50
–
35
=
15
25.
85
–
40
=
45
26.
90
–
15
=
75
27.
15
–
15
=
0
28.
15
–
0
=
15
29.
35
–
10
=
25
30.
30
–
15
=
15
31.
55
–
5
=
50
32.
75
–
30
=
45
33.
25
–
20
=
5
34.
30
–
20
=
10
35.
25
–
5
=
20
36.
55
–
20
=
35
© JuniorEinstein.nl
Online oefenen  |   Educatieve boeken  |   Werkbladen  |   Educatieve materialen