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