7. Kürzen und addieren
Name: _____________________Kannst Du schon am Anfang kürzen?
1. ) 10
15 + 8
12 = = + 4
3 = 1 + 1 3
2. ) 4
8 + 4
12 = + = = + 5 6
3. ) 15
20 + 4
16 = = 4
4 = 1
4. ) 14 21 + 3
2 = + = = + 13
6 = 2 + 1 6
5. ) 3
8 + 18
24 = + = = + 9
8 = 1 + 1 8
6. ) 6
36 + 21
28 = + = 11 12
7. ) 8
64 + 35
7 = + = = + 41
8 = 5 + 1 8
8. ) 4
8 + 6
12 + 3
4 = + + = = + 7
4 = 1 + 3 4
9. ) 9
3 + 20
15 + 12
18 = + + = = 15 3 = 5