Rekensommen met eraf tot 100

Erafsommen
1.
85
–
25
=
2.
80
–
10
=
3.
80
–
60
=
4.
85
–
65
=
5.
40
–
10
=
6.
70
–
35
=
7.
30
–
30
=
8.
75
–
60
=
9.
75
–
20
=
10.
90
–
75
=
11.
65
–
65
=
12.
85
–
5
=
13.
10
–
0
=
14.
65
–
5
=
15.
75
–
65
=
16.
85
–
25
=
17.
5
–
5
=
18.
40
–
5
=
19.
55
–
0
=
20.
55
–
35
=
21.
85
–
5
=
22.
40
–
30
=
23.
65
–
40
=
24.
10
–
10
=
25.
10
–
10
=
26.
15
–
10
=
27.
30
–
0
=
28.
45
–
10
=
29.
10
–
0
=
30.
5
–
5
=
31.
45
–
0
=
32.
95
–
30
=
33.
20
–
20
=
34.
60
–
0
=
35.
30
–
20
=
36.
80
–
25
=
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Rekensommen met eraf tot 100
| ANTWOORDEN

Erafsommen
1.
85
–
25
=
60
2.
80
–
10
=
70
3.
80
–
60
=
20
4.
85
–
65
=
20
5.
40
–
10
=
30
6.
70
–
35
=
35
7.
30
–
30
=
0
8.
75
–
60
=
15
9.
75
–
20
=
55
10.
90
–
75
=
15
11.
65
–
65
=
0
12.
85
–
5
=
80
13.
10
–
0
=
10
14.
65
–
5
=
60
15.
75
–
65
=
10
16.
85
–
25
=
60
17.
5
–
5
=
0
18.
40
–
5
=
35
19.
55
–
0
=
55
20.
55
–
35
=
20
21.
85
–
5
=
80
22.
40
–
30
=
10
23.
65
–
40
=
25
24.
10
–
10
=
0
25.
10
–
10
=
0
26.
15
–
10
=
5
27.
30
–
0
=
30
28.
45
–
10
=
35
29.
10
–
0
=
10
30.
5
–
5
=
0
31.
45
–
0
=
45
32.
95
–
30
=
65
33.
20
–
20
=
0
34.
60
–
0
=
60
35.
30
–
20
=
10
36.
80
–
25
=
55
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Online oefenen  |   Educatieve boeken  |   Werkbladen  |   Educatieve materialen