📖 Ages 8–9 · Ontario Curriculum

Grade 3 Math Lessons

Grade 3 lessons use arrays, number lines and grids to turn abstract ideas into pictures. Multiplication, fractions and area stop being rules to memorise and become ideas children can see.

  • 29Lessons
  • 8–9Ages
Free lessons used: 0 of 5 🔓 Unlock everything

Numbers to 100

1 lessons

Addition and Subtraction of 2-Digit Numbers

1 lessons

Numbers to 1000

1 lessons

Addition and Subtraction of 3-Digit Numbers

1 lessons

Addition and Subtraction of 3-Digit Numbers (2)

1 lessons

Length and Distance

1 lessons

Perimeter and Area

1 lessons

Money

1 lessons

Addition and Subtraction with Money

1 lessons

Capacity and Mass

1 lessons

Multiplication

2 lessons

Division

2 lessons

Multiplication and Division

1 lessons

Fractions

1 lessons

Locations of Shapes and Objects

1 lessons

Transformations

1 lessons

Graphs

1 lessons

Probability

1 lessons

Algebraic Reasoning

1 lessons

Estimation Strategies

1 lessons

Financial Literacy

1 lessons

Coding Skills

1 lessons

Data Collection and Organization

1 lessons

Symmetry

1 lessons

Standard Units of Measurement

1 lessons

Mental Math Strategies

1 lessons

Fairness in Games

1 lessons

Grade 3 Math Lessons — FAQ

What topics do the Grade 3 math lessons cover?

The Grade 3 lessons cover numbers to 1,000, three-digit addition and subtraction, multiplication and division, fractions, perimeter and area, transformations and graphs — following the Ontario mathematics curriculum for children aged 8–9.

Can my child learn Grade 3 math on their own?

Yes. Each lesson is visual and self-paced, with short explanations and animated examples, so children can work independently while parents follow along.

Are the Grade 3 math lessons free?

You can open 5 lessons for free with no sign-up. InukMath Premium unlocks every lesson, practice question, worksheet and game from Grade 1 to Grade 6.

Math Lessons for Other Grades