Reken de sommen tot 20 uit
Erbijsommen
|
1.
9 + 6 =
5
15
|
2.
20 + 0 =
11
20
|
3.
17 + 0 =
17
10
|
4.
18 + 1 =
7
19
|
|
5.
5 + 13 =
6
18
|
6.
12 + 6 =
18
2
|
7.
9 + 3 =
12
8
|
8.
1 + 6 =
2
7
|
|
9.
13 + 1 =
14
3
|
10.
20 + 0 =
20
6
|
11.
16 + 4 =
9
20
|
12.
4 + 16 =
20
6
|
|
13.
7 + 13 =
7
20
|
14.
6 + 1 =
6
7
|
15.
4 + 6 =
10
7
|
16.
9 + 10 =
9
19
|
|
17.
7 + 11 =
18
12
|
18.
20 + 0 =
15
20
|
19.
12 + 7 =
19
11
|
20.
14 + 3 =
17
4
|