**Mastering Essential Math Skills Pre-Algebra Concepts**

Click the section titles below to view the videos.

You can find the password by going to page 35 in the book. Your access code is the last word that you see in problem #10.

Introduction to Sets, p4

Sets, Subsets, Intersection, Union, p5

Adding Integers, p6 & p7

Subtracting Integers, p8

Multiplying Integers, p9

Dividing Integers, p10

Positive and Negative Fractions, p12

Positive and Negative Decimals, p13

Exponents, p14 & p15

Square Roots, p16

Order of Operations, p19 & p20

Properties of Numbers, p21 & p22

Scientific Notation, p23 & p24

Ratios, p25

Proportions, p26

Solving Proportions, p27

Using Proportions in Word Problems, p28

Fundamentals of Percents, p30

Finding the Percent of a Number, p31

Finding the Percent, p32

Finding the Whole in a Percent Problem, p33

Percent Word Problems, p34 & p35

Number Theory, Factors, p37

Number Theory, Greatest Common Factors, p38

Number Theory, Multiples, p39

Number Theory, Least Common Multiples, p40

Introduction to Number Lines, p42

Graphing Solutions to Equations on a Number Line, p43

Coordinate Systems, Ordered Pairs, p44

More Coordinate Systems, p45

Slope of a Line, p46

Graphing Linear Equations, p48 & p49

Solving One-Step Equations, p50

More Solving One-Step Equations, p51

Solving Two-Step Equations, p52

Solving Equations Using the Distributive Property, p53

Solving Equations with Variables on Both Sides, p54

Translating Words to Algebra Expressions, p55

Algebra Word Problems, p56

Real-Life Algebra Word Problems, p57 – p59

Probability, p61

More Probability, p62

Statistics, Range and Mode, p63

Statistics, Mean and Median, p64