Supersnelle sommen tot 100

Erbijsommen
1.
45
+
15
=
50
55
65
60
2.
30
+
45
=
70
65
80
75
3.
20
+
50
=
65
75
60
70
4.
10
+
30
=
40
50
30
35
5.
10
+
85
=
90
80
85
95
6.
25
+
70
=
80
95
75
90
7.
70
+
5
=
65
75
80
70
8.
15
+
85
=
100
90
80
95
9.
30
+
45
=
70
75
80
85
10.
80
+
20
=
85
95
100
80
11.
20
+
65
=
80
85
75
90
12.
55
+
20
=
70
65
75
85
13.
30
+
50
=
90
80
70
75
14.
15
+
85
=
80
100
90
95
15.
30
+
70
=
90
85
80
100
16.
85
+
5
=
70
80
85
90
17.
65
+
30
=
75
85
80
95
18.
25
+
25
=
60
55
50
45
19.
30
+
65
=
75
80
85
95
20.
75
+
15
=
70
90
80
85
21.
65
+
25
=
75
90
85
70
© JuniorEinstein.nl
Online oefenen  |   Educatieve boeken  |   Werkbladen  |   Educatieve materialen

Supersnelle sommen tot 100
| ANTWOORDEN

Erbijsommen
1.
45
+
15
=
50
55
65
60
2.
30
+
45
=
70
65
80
75
3.
20
+
50
=
65
75
60
70
4.
10
+
30
=
40
50
30
35
5.
10
+
85
=
90
80
85
95
6.
25
+
70
=
80
95
75
90
7.
70
+
5
=
65
75
80
70
8.
15
+
85
=
100
90
80
95
9.
30
+
45
=
70
75
80
85
10.
80
+
20
=
85
95
100
80
11.
20
+
65
=
80
85
75
90
12.
55
+
20
=
70
65
75
85
13.
30
+
50
=
90
80
70
75
14.
15
+
85
=
80
100
90
95
15.
30
+
70
=
90
85
80
100
16.
85
+
5
=
70
80
85
90
17.
65
+
30
=
75
85
80
95
18.
25
+
25
=
60
55
50
45
19.
30
+
65
=
75
80
85
95
20.
75
+
15
=
70
90
80
85
21.
65
+
25
=
75
90
85
70
© JuniorEinstein.nl
Online oefenen  |   Educatieve boeken  |   Werkbladen  |   Educatieve materialen