Rekensommen met erbij en eraf tot 20
In de mix
|
1.
4 + 4 =
1
8
|
2.
11 – 4 =
1
7
|
3.
1 + 8 =
1
9
|
4.
15 + 3 =
2
18
|
|
5.
14 – 9 =
5
1
|
6.
12 – 1 =
1
11
|
7.
18 + 0 =
2
18
|
8.
18 – 5 =
1
13
|
|
9.
5 + 12 =
17
2
|
10.
16 – 3 =
1
13
|
11.
10 – 8 =
1
2
|
12.
20 – 13 =
1
7
|
|
13.
19 + 1 =
20
2
|
14.
16 – 10 =
6
1
|
15.
14 – 12 =
1
2
|
16.
18 – 6 =
1
12
|
|
17.
19 – 1 =
18
2
|
18.
1 – 1 =
0
2
|
19.
6 – 2 =
1
4
|
20.
14 – 3 =
1
11
|