Hamsterkiste Mathe Klasse 1

Kreuz und quer bis 20

10 + 9 =
20 - 9 =
16 - 4 =
11 + 9 =
18 - 3 =
11 + 8 = 		13 - 4 =
14 - 5 =
9 + 6 =
7 + 9 =
8 + 5 =
12 - 8 =