Oefen de erbijsommen tot 20

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

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