LESSON 1 An Introduction to the Course
LESSON 2 Order of Operations
LESSON 3 Percents, Decimals, and Fractions
The most important is to detect the decimal point. Put a zero here.
8/100 -->.8 -> .08
LESSON 4 Variables and Algebraic Expressions
LESSON 5 Operations and Expressions
x1y2 + x1y2= 2x1y2 or xy2 + xy2= 2xy2 , we can use distributive law to explain why they can be added together
7xy2 + 3y2x= 7xy2 + 3x y2 = 10xy2 (communicative law)
LESSON 6 Principles of Graphing in 2 Dimensions
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