Maak de erbijsom tot 20

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

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