Kopfrechnen

Kopfrechnen

  
Rechne rasch und richtig! Mein Tipp: Nimm nur die Tabulator-Taste und den Ziffernblock!
1+ 6 =
3 + 4 =
4 + = 9
6 + = 8
7 - 1 =
8 + = 10
9 - 7 =
10 - 6 =
10 + = 15
10 + 4 =
10 + = 18
11 + 9 =
12 + 1 =
12 + 6 =
14 + = 18
14 + = 16
15 - 4 =
16 + 1 =
16 - 3 =
17 - 7 =
18 - 4 =
19 - 7 =
20 + = 22
20 + 4 =
20 + = 27
20 - 5 =
21 + 8 =
21 + = 21
22 + = 26
22 + = 25
29 - 0 =
30 - 1 =
30 + 40 =
40 + 50 =
50 - 50 =
70 - 20 =
80 - 10 =
90 + 10 =
100 - 0 =
4 + 7 =
7 + 5 =
8 + 7 =
11 - 7 =
12 - 6 =
13 - 7 =
15 - 8 =
16 - 9 =
17 + 5 =
19 + 7 =
21 - 2 =
23 - 6 =
25 - 7 =
28 - 10 =
12 + = 18