Ontario Grade 3 Math Workbook

Give your child a strong foundation in math with a workbook made exclusively for Ontario Grade 3. Unlike “Canada-wide” books that mix expectations from different provinces, this workbook follows the Ontario curriculum exactly — so every page truly matches what your child learns in school.

This complete, full-year program teaches concepts in a clear progression, reinforces classroom learning, and includes curriculum codes on every activity so you always know the purpose behind each page. Straightforward practice, real problem-solving, and simple layouts make learning stress-free for both kids and parents.

Why Parents Love This Workbook
• Ontario-specific — no reused pages from other provinces
• Covers every Grade 3 math expectation for the entire year
• One grade level only — no mixed-grade content
• Curriculum codes on every page for full clarity and confidence
• Answer key included for quick and easy checking
• Clean, simple design that supports focus and success

What Your Child Will Learn
• Number Sense — reading, writing, and comparing numbers to 1 000; place value; rounding; representing numbers in different ways
• Addition & Subtraction — mental math strategies, regrouping, stacked algorithms, multi-step word problems
• Multiplication & Division — facts to 10×10, arrays, equal groups, fact families, early division strategies
• Fractions & Decimals — unit fractions, fair sharing, number lines, simple decimals, comparing and ordering
• Algebra & Patterning — growing and shrinking patterns, variables, equations, inequalities
• Data & Probability — bar graphs, pictographs, tally charts, surveys, simple probability predictions
• Measurement — time, perimeter, area, mass, capacity, length, width, height
• Geometry & Spatial Sense — 2D and 3D shapes, angles, symmetry, transformations, grid location
• Financial Literacy — Canadian money, estimating and calculating totals, making change, real-life scenarios

Perfect For
• Parents who want math practice that truly matches the Ontario Grade 3 curriculum
• Children who need extra support, confidence building, or additional challenge
• Families looking for one complete workbook instead of multiple strand-by-strand books
• Tutors and helpers who want ready-to-use, curriculum-aligned materials with no prep

Trusted by over 300 000 teachers and parents, this workbook provides the accuracy, structure, and clarity Ontario families can rely on. It’s everything your child needs — all in one place.