What is a decimal? Decimals are another way to express fractions or parts of a whole. We need them for measurement, and it is the easiest way to express fractions on a computer or a calculator. Work through these videos to get a review of decimals overall. Adding decimals Subtracting...
Where do you start counting from? Zero? Think again! Calculating with numbers is a basic skill for everyday life. Watch these videos to see how the number system of integers (counting numbers) works. Multiplying numbers Dividing numbers Order of operations Negative numbers: addition and subraction Negative numbers: multiplication and division...
How can you turn a raw score in a test into a percentage? If you get 15/20 for a test, you have done as well as someone who got 75 out of 100! This page is full of information about percentages and surds. Percentages Percentages are another way to express...
