Rekensommen met eraf tot 100

Erafsommen
1.
80
–
80
=
2.
85
–
35
=
3.
5
–
0
=
4.
60
–
15
=
5.
10
–
5
=
6.
15
–
10
=
7.
45
–
10
=
8.
80
–
25
=
9.
65
–
40
=
10.
60
–
40
=
11.
50
–
40
=
12.
20
–
0
=
13.
40
–
20
=
14.
55
–
50
=
15.
5
–
5
=
16.
60
–
15
=
17.
90
–
10
=
18.
5
–
0
=
19.
70
–
30
=
20.
20
–
15
=
21.
90
–
90
=
22.
10
–
5
=
23.
100
–
5
=
24.
25
–
0
=
25.
65
–
0
=
26.
10
–
10
=
27.
5
–
5
=
28.
90
–
45
=
29.
50
–
45
=
30.
80
–
35
=
31.
30
–
15
=
32.
60
–
5
=
33.
60
–
45
=
34.
10
–
5
=
35.
80
–
55
=
36.
5
–
0
=
© JuniorEinstein.nl
Online oefenen  |   Educatieve boeken  |   Werkbladen  |   Educatieve materialen

Rekensommen met eraf tot 100
| ANTWOORDEN

Erafsommen
1.
80
–
80
=
0
2.
85
–
35
=
50
3.
5
–
0
=
5
4.
60
–
15
=
45
5.
10
–
5
=
5
6.
15
–
10
=
5
7.
45
–
10
=
35
8.
80
–
25
=
55
9.
65
–
40
=
25
10.
60
–
40
=
20
11.
50
–
40
=
10
12.
20
–
0
=
20
13.
40
–
20
=
20
14.
55
–
50
=
5
15.
5
–
5
=
0
16.
60
–
15
=
45
17.
90
–
10
=
80
18.
5
–
0
=
5
19.
70
–
30
=
40
20.
20
–
15
=
5
21.
90
–
90
=
0
22.
10
–
5
=
5
23.
100
–
5
=
95
24.
25
–
0
=
25
25.
65
–
0
=
65
26.
10
–
10
=
0
27.
5
–
5
=
0
28.
90
–
45
=
45
29.
50
–
45
=
5
30.
80
–
35
=
45
31.
30
–
15
=
15
32.
60
–
5
=
55
33.
60
–
45
=
15
34.
10
–
5
=
5
35.
80
–
55
=
25
36.
5
–
0
=
5
© JuniorEinstein.nl
Online oefenen  |   Educatieve boeken  |   Werkbladen  |   Educatieve materialen