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