At the heart of all Mathematics is numbers. Natural, or counting, numbers have been used ever since there was a need to keep track of how many of something someone had. Zero was a late addition and its inclusion in our number system is very useful. Negatives are used to extend the number line below zero, very useful for cold days! Decimals and Fractions are used to fill the gaps between the natural numbers and have plenty of rules of their own. Irrational numbers (decimals which go on forever) have caused problems for many a year; the Ancient Greeks refused to believe they even existed! The more advanced Mathematicians will speak of imaginary numbers too but we won't be going that far in this course!

Below are some number topics. I hope these lessons will help you feel more confident in this branch of Mathematics. Enjoy (and don't be scared!)

Below are some number topics. I hope these lessons will help you feel more confident in this branch of Mathematics. Enjoy (and don't be scared!)