Oefen de erbijsommen tot 20

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

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