Like any skill, basic mathematics needs to be practiced. The exercises in this website are designed to help you acquire and develop the skills you need to be mathematically literate. You must keep working at it, bit by bit. Do not get discouraged. Be patient. You will make mistakes, but mistakes are are one of the ways we learn. Always remember! Practice makes perfect.
Basically, this battery of tests is divided in two sections by grades: from Kindergarten to Fourth grade and the second part from Fifth to Twelve grade.