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Free Grade 3 Math Worksheets — Ontario Curriculum

Printable-style practice questions aligned to the Ontario Grade 3 math curriculum. Try them free — no account required.

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✓ Free to try ✓ Ontario curriculum ✓ 35+ topics ✓ EQAO aligned

Grade 3 Math Worksheet Topics

Browse 7 strands of the Ontario curriculum. Each topic includes practice questions with solutions.

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Number Sense & Numeration

5 topics
  • Counting to 1000
  • Place Value (ones, tens, hundreds)
  • Comparing & Ordering Numbers
  • Skip Counting by 2, 5, 10, 25, 100
  • Representing Numbers
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Addition & Subtraction

5 topics
  • Adding 2- & 3-Digit Numbers
  • Subtracting with Regrouping
  • Mental Math Strategies
  • Word Problems
  • Estimating Sums & Differences
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Multiplication Basics

5 topics
  • Introduction to Multiplication
  • Multiplication Facts (0-7)
  • Arrays and Groups
  • Relating Multiplication to Addition
  • Word Problems
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Measurement

5 topics
  • Measuring Length (cm, m)
  • Perimeter of Shapes
  • Telling Time to 5 Minutes
  • Calendar & Elapsed Time
  • Mass & Capacity
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Geometry

5 topics
  • 2D Shapes & Properties
  • 3D Shapes & Structures
  • Symmetry
  • Location & Movement
  • Geometric Patterns
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Patterning & Algebra

5 topics
  • Identifying Patterns
  • Extending Patterns
  • Creating Patterns
  • Number Sentences
  • Missing Numbers in Equations
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Data Management

5 topics
  • Collecting Data
  • Bar Graphs
  • Pictographs
  • Reading Graphs
  • Likely & Unlikely Events
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Sample Grade 3 Math Worksheet

Here's a preview of the types of questions your child will practice. Try answering them!

Q1 Number Sense Easy

What is 427 rounded to the nearest hundred?

Q2 Multiplication Medium

What is 6 × 7?

Q3 Measurement Medium

A rectangle is 5 cm long and 3 cm wide. What is its perimeter?

Q4 Data Easy

In a bar graph, the "Cats" bar reaches 8 and the "Dogs" bar reaches 5. How many more cats than dogs?

Q5 Patterning Medium

What is the missing number? 5, 10, 15, ?, 25

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Why Parents Choose MapleMath Worksheets

🍁

Ontario Curriculum Aligned

Every question maps to the 2020 Ontario Mathematics Curriculum strands — not generic US content.

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Adaptive, Not Static

Unlike PDF worksheets, MapleMath adjusts difficulty based on your child's answers. Get harder questions as they improve.

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Instant Explanations

Every wrong answer comes with a step-by-step explanation. No more guessing what went wrong.

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Track Progress

See strand-by-strand mastery on the parent dashboard. Know exactly where your child needs extra practice.

Math Worksheets by Grade

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Related Pages

Grade 3 Math Worksheets — FAQ

Are these Grade 3 math worksheets really free?
Yes! You can try our sample Grade 3 math questions right on this page — no account needed. For unlimited worksheets and adaptive practice across all 35 topics, start a free 7-day trial.
Are the worksheets aligned to the Ontario Grade 3 curriculum?
Absolutely. Every question is built for the 2020 Ontario Mathematics Curriculum. Our Grade 3 content covers all 7 strands: Number Sense & Numeration, Addition & Subtraction, Multiplication Basics, Measurement, Geometry, Patterning & Algebra, Data Management.
Can I print these worksheets?
Our interactive questions are designed for on-screen practice with instant feedback. For a printable experience, MapleMath offers adaptive practice sessions you can use on any device — tablet, laptop, or phone.
How are MapleMath worksheets different from PDF worksheets?
Unlike static PDFs, MapleMath worksheets are interactive — your child gets instant feedback on every answer, step-by-step explanations for mistakes, and questions that adapt in difficulty. Plus, progress is tracked automatically.
Do these worksheets help with EQAO Grade 3 preparation?
Yes! Our Grade 3 worksheets cover all strands assessed by the EQAO Mathematics test. Regular practice builds the problem-solving skills your child needs to succeed on the assessment.

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