Kopfrechnen

Kopfrechnen

  
Rechne rasch und richtig! Mein Tipp: Nimm nur die Tabulator-Taste und den Ziffernblock!
0 + 10 =
1 + 7 =
3 + 7 =
5 + 4 =
6 + 0 =
7 + = 7
8 + = 9
9 - 8 =
10 - 0 =
0 + 40 =
10 + 30 =
10 + 10 =
11 + = 13
12 - 1 =
12 + 8 =
13 + = 18
14 + 2 =
14 - 2 =
15 + 2 =
16 + = 20
17 + 1 =
18 + = 19
18 + 0 =
20 + = 21
20 + = 30
20 + 8 =
20 + = 27
20 - 3 =
21 + = 28
21 + = 24
22 + 8 =
28 - 5 =
29 - 7 =
30 - 20 =
40 + 20 =
50 + 0 =
60 - 20 =
70 + 30 =
80 + 10 =
90 - 20 =
100 - 20 =
11 + = 12
5 + 10 =
7 + 9 =
9 + 4 =
11 - 4 =
12 - 5=
14 - 5 =
15 - 7 =
16 + 5 =
18 + 4 =
19 + 5 =
21 - 3 =
23 - 8 =
25 - 9 =