Rekensommen met eraf tot 100

Erafsommen
1.
10
–
10
=
2.
35
–
25
=
3.
100
–
50
=
4.
85
–
5
=
5.
40
–
10
=
6.
95
–
25
=
7.
5
–
5
=
8.
50
–
20
=
9.
85
–
40
=
10.
70
–
45
=
11.
45
–
25
=
12.
40
–
0
=
13.
75
–
35
=
14.
80
–
0
=
15.
50
–
50
=
16.
10
–
10
=
17.
10
–
10
=
18.
45
–
40
=
19.
85
–
55
=
20.
15
–
0
=
21.
35
–
20
=
22.
40
–
35
=
23.
95
–
35
=
24.
65
–
55
=
25.
55
–
0
=
26.
60
–
35
=
27.
30
–
20
=
28.
80
–
5
=
29.
60
–
25
=
30.
65
–
20
=
31.
65
–
10
=
32.
95
–
65
=
33.
5
–
0
=
34.
40
–
35
=
35.
55
–
5
=
36.
40
–
0
=
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Rekensommen met eraf tot 100
| ANTWOORDEN

Erafsommen
1.
10
–
10
=
0
2.
35
–
25
=
10
3.
100
–
50
=
50
4.
85
–
5
=
80
5.
40
–
10
=
30
6.
95
–
25
=
70
7.
5
–
5
=
0
8.
50
–
20
=
30
9.
85
–
40
=
45
10.
70
–
45
=
25
11.
45
–
25
=
20
12.
40
–
0
=
40
13.
75
–
35
=
40
14.
80
–
0
=
80
15.
50
–
50
=
0
16.
10
–
10
=
0
17.
10
–
10
=
0
18.
45
–
40
=
5
19.
85
–
55
=
30
20.
15
–
0
=
15
21.
35
–
20
=
15
22.
40
–
35
=
5
23.
95
–
35
=
60
24.
65
–
55
=
10
25.
55
–
0
=
55
26.
60
–
35
=
25
27.
30
–
20
=
10
28.
80
–
5
=
75
29.
60
–
25
=
35
30.
65
–
20
=
45
31.
65
–
10
=
55
32.
95
–
65
=
30
33.
5
–
0
=
5
34.
40
–
35
=
5
35.
55
–
5
=
50
36.
40
–
0
=
40
© JuniorEinstein.nl
Online oefenen  |   Educatieve boeken  |   Werkbladen  |   Educatieve materialen