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