Rekensommen met eraf tot 100

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

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