Category Archives: Math

Web 2.0 scientific calculator

Division of Decimals by Decimals The procedure for the division of decimals is very similar to the division of whole numbers. Make the divisor into a whole number by multiplying both it and the dividend by the same number (such … Continue reading →

Click on the link below for a quick video tutorial. http://www.youtube.com/watch?v=7JYaE0ogtMI&feature=channel

Reality Bytes Calculating Percentages

Percent – a way of expressing part of a number (usually out of 100) Ten Percent = 10 % = 10 out of 100 = 10/100 Ratio – a ratio shows the relative sizes of two or more values. It … Continue reading →

This is the root symbol √ .  When it includes a number to the right of the symbol like this √4; it is telling us that we must perform the operation of finding the square root of that number. Finding … Continue reading →

Pythagoras of Samos discovered a useful formula for finding the unknown side length of a right triangle. He found that if you squared the length of the legs (base & height) of a right triangle; you can find the length … Continue reading →

Exponents are identified in math, by placing a small superscript number next to the base number; like this: 42 . The 4 is identified as the base. The small number 2 is identified as the exponent. Mathematical operations involving an … Continue reading →