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