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