Oefen de erbijsommen tot 20

Erbijsommen
1.
20 + 0 =
2.
8 + 9 =
3.
6 + 5 =
4.
20 + 0 =
5.
19 + 1 =
6.
8 + 8 =
7.
6 + 5 =
8.
4 + 4 =
9.
19 + 0 =
10.
4 + 1 =
11.
3 + 6 =
12.
20 + 0 =
13.
18 + 2 =
14.
9 + 2 =
15.
14 + 5 =
16.
4 + 0 =
17.
10 + 6 =
18.
11 + 3 =
19.
9 + 6 =
20.
3 + 6 =
21.
4 + 3 =
22.
4 + 8 =
23.
8 + 4 =
24.
15 + 3 =
25.
3 + 17 =
26.
2 + 8 =
27.
18 + 1 =
28.
5 + 1 =
29.
11 + 8 =
30.
19 + 1 =
31.
12 + 7 =
32.
19 + 1 =
33.
10 + 0 =
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Oefen de erbijsommen tot 20
| ANTWOORDEN

Erbijsommen
1.
20 + 0 =
20
2.
8 + 9 =
17
3.
6 + 5 =
11
4.
20 + 0 =
20
5.
19 + 1 =
20
6.
8 + 8 =
16
7.
6 + 5 =
11
8.
4 + 4 =
8
9.
19 + 0 =
19
10.
4 + 1 =
5
11.
3 + 6 =
9
12.
20 + 0 =
20
13.
18 + 2 =
20
14.
9 + 2 =
11
15.
14 + 5 =
19
16.
4 + 0 =
4
17.
10 + 6 =
16
18.
11 + 3 =
14
19.
9 + 6 =
15
20.
3 + 6 =
9
21.
4 + 3 =
7
22.
4 + 8 =
12
23.
8 + 4 =
12
24.
15 + 3 =
18
25.
3 + 17 =
20
26.
2 + 8 =
10
27.
18 + 1 =
19
28.
5 + 1 =
6
29.
11 + 8 =
19
30.
19 + 1 =
20
31.
12 + 7 =
19
32.
19 + 1 =
20
33.
10 + 0 =
10
© JuniorEinstein.nl
Online oefenen  |   Educatieve boeken  |   Werkbladen  |   Educatieve materialen