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