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