x 4

1

x

4

=

4

2

x

4

=

8

3

x

4

=

12

4

x

4

=

16

5

x

4

=

20

6

x

4

=

24

7

x

4

=

28

8

x

4

=

32

9

x

4

=

36

10

x

4

=

40

11

x

4

=

44

12

x

4

=

48