Introduction

The mathematic lessons in this set of books is divided into learning units.

Students can use the interactive tutorials to view and learn multiple levels of maths problem solving. The advantage of these books is they can be downloaded and used off-line. They are accessible to students around the world in regions where there is little or no Internet connectivity.

In addition to the linear and interactive lessons the book contains multiple and comprehensive Interactive Exercises that can also be printed for personal or classroom use.

The lessons contain links to online interactive video resources for additional tuition.

Each chapter has highly interactive Practice and Test Yourself modules that allow any student to create their own learning experience.

This first unit contains four chapters addressing the following concepts:

1. Whole number long-addition
2. Whole number long-subtraction
3. Whole number long-multiplication
4. Whole number long-division.