ATI TEAS 6 Math Video Lessons

Chapter 4 Numbers and Basic Operations

Lesson 4.1 Basic Addition and Subtraction


The Number Line



Lesson 4.2 Basic Multiplication and Division



Signed Multiplication and Division

Order of Operations

Lesson 4.3 Decimals and Fractions

Introduction to Fractions

Introduction to Decimals

Changing Decimals and Fractions

Convert among Fractions, Decimals, and Percentages

Lesson 4.5 Multiplication and Division of Fractions

Multiplying a Fraction by a Fraction 

Multiplying a Fraction by a Whole or Mixed Number

Dividing a Fraction by a Fraction

Dividing a Fraction and a Whole or Mixed Number

Lesson 4.6 Ratios, Proportions, and Percentages




Rates of Changes


Chapter 5 Algebra

Lesson 5.1 Equations with One Variable

One-Step Linear Equations

Two-Step Linear Equations

Multi-Step Linear Equations

Solving Linear Inequalities

Lesson 5.2 Equations with Two Variables

Solving a System of Equations by Substitution

Solving a System of Equations by Elimination

Solving a System of a Linear Equation and an Equation of a Circle

Lesson 5.3 Solving Real-World Mathematical Problems


Real-World Integer Problems

Real-World Fraction and Decimal Problems

Lesson 5.4 Powers, Exponents, Roots, and Radicals

Properties of Exponents

Square Root and Cube Roots

Express Large or Small Quantities as Multiples of 10

Lesson 5.5 Polynomials

Adding and Subtracting Polynomials

Multiplying Polynomials

Polynomial Identities


Chapter 6 Measurement and Data

Lesson 6.1 Standards of Measure

Length Conversions

Volume and Weight Conversions

Conversions between Standard and Metric Systems

Time Conversions

Lesson 6.2 Interpreting Graphics

Creating a Line, Bar, and Circle Graph

Interpreting and Evaluating Line, Bar, and Circle Graphs

Mean, Median, Mode, and Range

Lesson 6.3 Similarity, Right Triangles, and Trigonometry

Coordinate Plane

Area of Two-Dimensional Objects

Surface Area and Volume of Cubes and Right Prisms

Lesson 6.4 Circles

Circle Terminology

Circumference and Area of a Circle

Finding Circumference or Area Given the Other Value