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