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