In this first Algebra lecture on Educator.com, Dr. Fraser will briefly cover the history and origin of algebra, The word 'algebra' and why it is so powerful compared to arithmetic in solving real world problems till date. You will then cover basic definitions such as variable, algebraic expression, and operations. The lecture concludes with four examples where you will convert an algebraic expression from a sentence.
is used to represent an unknown number or value.
expression combines numbers and variables with arithmetic
terms: product, factor, power, base, exponent
translating verbal expressions into algebraic expressions. This is
an essential skill you will need to solve word problems throughout
expression means to find the value of the expression.
Variables and Expressions
Lecture Slides are screen-captured images of important points in the lecture. Students can download and print out these lecture slide images to do practice problems as well as take notes while watching the lecture.