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