Rekensommen met eraf tot 100

Erafsommen
1.
40
–
35
=
2.
95
–
15
=
3.
60
–
5
=
4.
5
–
5
=
5.
70
–
45
=
6.
5
–
5
=
7.
35
–
25
=
8.
85
–
55
=
9.
70
–
20
=
10.
30
–
10
=
11.
100
–
40
=
12.
40
–
40
=
13.
25
–
10
=
14.
60
–
10
=
15.
55
–
15
=
16.
20
–
10
=
17.
30
–
5
=
18.
35
–
5
=
19.
65
–
45
=
20.
5
–
0
=
21.
30
–
5
=
22.
75
–
45
=
23.
45
–
0
=
24.
80
–
15
=
25.
95
–
80
=
26.
5
–
5
=
27.
10
–
0
=
28.
95
–
95
=
29.
100
–
60
=
30.
90
–
65
=
31.
35
–
5
=
32.
75
–
0
=
33.
70
–
45
=
34.
60
–
60
=
35.
5
–
5
=
36.
50
–
15
=
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Rekensommen met eraf tot 100
| ANTWOORDEN

Erafsommen
1.
40
–
35
=
5
2.
95
–
15
=
80
3.
60
–
5
=
55
4.
5
–
5
=
0
5.
70
–
45
=
25
6.
5
–
5
=
0
7.
35
–
25
=
10
8.
85
–
55
=
30
9.
70
–
20
=
50
10.
30
–
10
=
20
11.
100
–
40
=
60
12.
40
–
40
=
0
13.
25
–
10
=
15
14.
60
–
10
=
50
15.
55
–
15
=
40
16.
20
–
10
=
10
17.
30
–
5
=
25
18.
35
–
5
=
30
19.
65
–
45
=
20
20.
5
–
0
=
5
21.
30
–
5
=
25
22.
75
–
45
=
30
23.
45
–
0
=
45
24.
80
–
15
=
65
25.
95
–
80
=
15
26.
5
–
5
=
0
27.
10
–
0
=
10
28.
95
–
95
=
0
29.
100
–
60
=
40
30.
90
–
65
=
25
31.
35
–
5
=
30
32.
75
–
0
=
75
33.
70
–
45
=
25
34.
60
–
60
=
0
35.
5
–
5
=
0
36.
50
–
15
=
35
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Online oefenen  |   Educatieve boeken  |   Werkbladen  |   Educatieve materialen