Amiri, read the materials in the links below for comprehension and understanding.  As you complete the material, let me know.

Click each course below to view the material.  NOTE:  There is no course #6.

Course 1

Course 2

Course 3

Course 4

Course 5

Course 7

Course 8

Course 9

Course 10

You must learn this material, Amiri.  If you have questions, then ask your parents.  They are here to help!