The Ultimate Grade 3 Math Course (+FREE Worksheets)

Welcome to the most complete free Grade 3 Math course on the web. Welcome to a complete free Grade 3 math hub for students, parents, and teachers. Third grade is when math really opens up — multiplication, division, fractions, multi-digit place value, and the first taste of measurement and geometry. This page pulls together every Grade 3 math lesson, worksheet, and practice resource we offer.

The lessons below are organized the way third graders actually learn: number sense first, then operations, then fractions, then geometry and data. Encourage your student to work one section at a time, take a short practice break between sections, and revisit the topics that feel hardest with the linked worksheets.

Bookmark this page. Every link below opens a focused lesson with worked examples and free practice problems.

Grade 3 Math

Looking for the best resource to help you succeed on the Grade 3 Math test?

The Best Book to Ace 3rd Grade Math

Mastering Grade 3 Math The Ultimate Step by Step Guide to Acing 3rd Grade Math

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Grade 3 Math Test Prep Resources

Before you dive into the topic-by-topic lessons, get the lay of the land. These guides cover what’s on the test, how it’s scored, and how to put together a study plan that fits your life.

Grade 3 Math Complete Course

This is the heart of the course. Each section below is a topic family that the test loves to ask about. Work one section at a time and check your understanding with the practice problems before moving on.

Number Sense, Integers, and Order of Operations

• Opposite Integers
• Number Lines for Integers
• Adding and Subtracting Integers
• Multiplying and Dividing Integers
• Order of Operations
• Absolute Value
• Integers and Absolute Value

Fractions, Decimals, and Mixed Numbers

• Simplifying Fractions
• Word Problems: Fractions
• Repeating Decimals
• Convert Between Fractions and Decimals
• Improper Fractions and Mixed Numbers
• Ordering Decimals, Mixed Numbers, and Fractions
• Multiplying Mixed Numbers
• Dividing Mixed Numbers
• Multiplying and Dividing Decimals

Ratios, Proportions, and Percentages

• Writing a Ratio
• Ratio Tables
• Finding Equivalent Ratios
• Equivalent Rates
• Word Problems: Rates and Ratios
• Representing Percentages
• Solving Percentage Word Problems
• Converting Between Percent, Fractions, and Decimals
• Percent Problems
• Simple Interest

Algebraic Expressions and Equations

• Expressions and Equations
• Equivalent Expressions
• Properties to Write Equivalent Expressions
• Exponents in Multiplication
• Prime Factorization with Exponents
• One-Step Equations
• Multi-Step Equations
• Rearranging Multi-Variable Equations
• Factoring Variable Expressions
• Multiplying Rational Expressions
• Adding and Subtracting Rational Expressions
• Writing a Quadratic Function
• Radical Equations

Inequalities and Linear Word Problems

• Writing Inequalities from Number Lines
• Graphing Single-Variable Inequalities
• One-Step Inequalities
• Word Problems: One-Step Inequalities
• Linear Equation and Inequality Word Problems

Geometry: Lines, Angles, and Triangles

• Triangles
• Triangle Inequality
• Sides and Angles of a Triangle
• Area of a Triangle
• Area of a Parallelogram
• Area of a Trapezoid
• Area of Compound Figures
• Word Problems: Area

Solid Figures, Volume, and Coordinate Plane

• Cubes
• Rectangular Prisms
• Word Problems: Volume
• Objects on a Coordinate Plane
• Understanding Quadrants
• Coordinate Planes as Maps

Statistics, Data Analysis, and Probability

• Mean, Median, Mode, and Range
• Mean, Median, Mode from Charts
• Identifying Outliers
• Range, Quartiles, and Interquartile Range
• Pie Graphs
• Line Plots
• Frequency Distribution Tables
• Finding the Probability of an Event

The Perfect Prep Book for Grade 3 Math

Mastering Grade 3 Math The Ultimate Step by Step Guide to Acing 3rd Grade Math

Download

$29.99 Original price was: $29.99.$16.99Current price is: $16.99.

Frequently Asked Questions

What math should a 3rd grader know?

By the end of third grade, students should be fluent with multiplication and division facts up to 100, comfortable with multi-digit addition and subtraction, able to recognize and create equivalent fractions, and confident with basic geometry concepts (perimeter, area, attributes of shapes). Mental math and fact fluency are huge parts of what builds confidence going into 4th grade.

How can I help my 3rd grader who’s struggling with math?

Start with a topic-by-topic check: which areas are shaky? The lessons in this hub are short and worked out step by step — work through one a day with your student. Daily 15-minute practice is far more effective than long weekend cram sessions. Celebrate small wins; math confidence at this age sets the trajectory for years.

How long should a 3rd grader practice math each day?

15–25 minutes of focused math practice four to five days a week is the sweet spot. More than that often backfires at this age. Mix lesson-based work with quick fact-fluency drills (multiplication, division facts) — the latter pays off enormously on every state test.

Are these 3rd grade math lessons aligned with state standards?

Yes. The topics covered here align closely with the Common Core State Standards for Grade 3 mathematics, and through that with most state-specific standards (STAAR, FSA, NJSLA, MCAS, SOL, and others). For state-specific test prep, also check our state-specific 3rd grade course pages.

Are these Grade 3 math lessons really free?

Yes — every lesson, worksheet, and practice problem linked above is free.

The Complete Elementary School Math Bundle

The Ultimate Elementary School Math Bundle Grade 3-5

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Have any questions about the Grade 3 Math test?

Drop your question in the comments below — about a specific topic, the test format, study planning, anything — and we’ll reply.