PSAT NMSQT Math Video Lessons

Chapter 8 Numbers and Quantity

Basic Addition and Subtraction


The Number Line



Basic Multiplication and Division



Signed Multiplication and Division

Order of Operations

Factors and Multiples

Factors and Multiples

Standards of Measure

Length Conversions

Volume and Weight Conversions

Conversions between Standard and Metric Systems

Time Conversions

Chapter 9 Algebra

Decimals and Fractions

Introduction to Fractions

Introduction to Decimals

Changing Decimals and Fractions

Convert among Fractions, Decimals, and Percentages

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

Equations with One Variable

One-Step Linear Equations

Two-Step Linear Equations

Multi-Step Linear Equations

Solving Linear Inequalities

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

Solving Real-World Mathematical Problems


Real-World Integer Problems

Real-World Fraction and Decimal Problems

Chapter 10 Functions

Solving Quadratic Equations

Solving Quadratic Equations by the Square Root Method

Solving Quadratic Equations by Completing the Square

Solving Quadratic Equations by Factoring

Solving Quadratic Equations by the Quadratic Formula


Adding and Subtracting Polynomials

Multiplying Polynomials

Polynomial Identities

Ratios, Proportions, and Percentages




Rates of Changes

Powers, Exponents, Roots, and Radicals

Properties of Exponents

Square Root and Cube Roots

Express Large or Small Quantities as Multiples of 10

Chapter 11 Geometry


Geometry Terms

Line and Rotational Symmetry

Rotations, Reflections, and Translations

Similarity, Right Triangles, and Trigonometry

Coordinate Plane

Area of Two-Dimensional Objects

Surface Area and Volume of Cubes and Right Prisms


Circle Terminology

Circumference and Area of a Circle

Finding Circumference or Area Given the Other Value

Measurement and Dimension

Volume of a Cylinder, Cone and Sphere

Chapter 12 Statistics and Probability

Interprepting Graphics

Creating a Line, Bar, and Circle Graph

Interpreting and Evaluating Line, Bar, and Circle Graphs

Mean, Median, Mode, and Range

Interpreting Categorical and Quantititative Data

Representing Data on a Number Line

Comparing Center and Spread of Multiple Data Sets