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