Lessons

General Math Strategies

Mental Math: Dividing by 5

2:49

Mental Math: Doubling and Halving

6:08

Mental Math: Squaring Shortcuts

12:26

Number Sense

10:35

Arithmetic

Properties of Real Numbers

8:25

Positive and Negative Numbers - I

6:00

Positive and Negative Numbers - II

7:44

Mental Math, Addition, and Subtraction

6:19

Order of Operations

11:26

Intro to Decimals

11:28

Rounding

6:23

Multiples of 10

9:45

Fractions

Intro to Fractions

9:27

Conversions: Fractions and Decimals

8:14

Fraction Properties - I

8:36

Fraction Properties - II

7:57

Mixed Numerals and Improper Fractions

10:30

Operations with Fractions

8:23

Word Problems with Fractions

3:37

Eliminating Fractions

8:56

Comparing Fractions

13:54

Percents and Ratios

Intro to Percents

5:27

Working with Percents

3:35

Number Sense and Percents

4:23

Percent Increases and Decreases

10:35

Sequential Percent Changes

6:53

Intro to Ratios

9:57

Combining Ratios

5:39

Ratios and Rates

6:15

Integer Properties

Divisibility

10:12

Divisibility Rules

8:02

Multiples

8:25

Prime Numbers

6:28

Greatest Common Factor

5:57

Least Common Multiple

9:18

GCD LCM Formula

5:32

Squares of Integers

5:30

Algebra

Intro to Algebra

7:56

Simplifying Expressions

6:32

Multiplying Expressions

7:52

FOIL Method

8:50

Factoring - GCF

5:10

Factoring - Difference of Two Squares

12:01

Factoring - Quadratics

7:50

Factoring - Combined

4:25

Advanced Numerical Factoring

7:09

Factoring - Rational Expressions

5:11

Basic Equation Solving

6:19

Quadratic Equations

8:04

Two Equations, Two Unknowns - I

7:58

Two Equations, Two Unknowns - II

10:22

Inequalities - I

13:55

Inequalities - II

11:07

Absolute Value Equations

10:23

Absolute Value Inequalities

4:47

Powers and Roots

Intro to Exponents

9:10

Law of Exponents - I

12:47

Negative Exponents

11:02

Law of Exponents - II

10:42

Square Roots

14:53

Other Roots

11:52

Properties of Roots

4:05

Simplifying Roots

8:31

Operations with Roots

12:41

Equations with Square Roots

9:43

Fractional Exponents

7:13

Geometry

Lines and Angles

16:06

Triangles - Part I

11:32

Triangles - Part II

17:37

Right Triangles

13:54

Quadrilaterals

17:35

Area of Quadrilaterals

6:33

Polygons

7:30

Regular Polygons

7:08

Circles

6:03

Circle Properties

12:21

Rectangular Solids

6:50

Prisms & Pyramids

10:51

Cylinder, Cones, Spheres

5:53

Volume and Surface Area

12:42

Units of Measurement

8:05

Coordinate Geometry

The Coordinate Plane

7:14

Graphing Lines

5:19

Vertical and Horizontal Lines

8:35

Slope

12:39

Intercepts

5:46

Slope-Intercept Form

8:18

Writing Equations of Lines

11:35

Statistics

Mean, Median, Mode

9:32

More on Mean and Median

4:34

Range and Standard Deviation

16:06

Data Analysis

Intro to ACT Data Interpretation

1:19

Types of Graphics

3:27

Timeplots for Motion

3:27

Other Timeplots

5:34

Histograms

3:58

Scatter Plots

10:10

Unconventional Graphs

10:32

Tables of Values

4:14

Probability

Intro to Probability

5:59

Complementary Events and Simple Rules

3:22

Mutually Exclusive Events

2:33

Probability of Event A OR Event B

3:50

Independent Events

6:26

Examples of the AND Rule

4:44

Generalized AND Rule

3:52

Examples of Generalized AND Rule

7:05