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

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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

Frequently Asked Questions

What is mathematics in grade 3?

Grade 3 math is the year students move from adding and subtracting into multiplication and division. Third graders learn their times tables up to 10 × 10, meet fractions like 1/2, 1/3 and 3/4 on a number line, round numbers to the nearest 10 or 100, and find area and perimeter of rectangles. They also read time to the minute and work with bar graphs and picture graphs.

What is the 3rd grade math curriculum?

Most 3rd grade math curricula cover four big areas: operations (multiplication and division within 100), place value and multi-digit addition and subtraction within 1,000, fractions as numbers, and measurement and geometry such as area, perimeter, time and shapes. The exact order and textbook depend on your school or state, so a quick look at your child’s class syllabus shows what comes next.

How do you learn math in 3rd grade?

Third graders learn math best in short, regular sessions: about 15 to 20 minutes a day of practice beats one long weekend session. Start with multiplication facts using arrays and skip counting, then connect them to division (if 4 × 6 = 24, then 24 ÷ 6 = 4). Use real objects like pizza slices or measuring cups to make fractions concrete, and revisit any topic that feels shaky.

What is in a grade 3 math course outline?

A typical grade 3 math course outline starts with number sense and place value, then moves to addition and subtraction within 1,000, multiplication and division, fractions, and finally measurement, geometry and data. Working through the units in that order helps, because multiplication skills are needed later for area and for comparing fractions with equal parts.

Is there a grade 3 math curriculum PDF?

Yes. Many state and provincial education departments publish their grade 3 math curriculum or standards as free PDFs on their official websites, so check the site for your state or province. Printable grade 3 worksheets on multiplication, fractions, area and time are also handy for extra practice at home alongside the lessons your child is doing in class.

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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.