
This video gives the formula for calculating compound interest and then demonstrates how to calculate the future amount after a given number of years.


Thisi shows how to break down a square root by dividing out perfect squares that can become whole numbers.


A clarification on what common multiple means and why the least common one is larger than or at least as large as either number or expression. Then there follows an example of two multivariate…


This describes the way to represent a series of consecutuve integers, then consecutive odd or even integers so that you can w rite an expression that combines them.


A review of the sign results when multiplying integers and then three examples to demonstrate those rules.


This video shows how to compute the percentage of a price increase. A price decrease is worked the same way and the percentage is taken of the first and higher price.


Simply dividing a fration  top divided by bottom, then taking the decimal value and changing it to a percent by multiplying by 100, and t hen finally rounding to the nearest tenth place of that…


How counting zeros tells you how far to move the decimal point
