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Math

Grade 3

Ontario Grade 3 Math

Practice with interactive activities, build number sense and problem-solving foundations

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Trusted platform that builds strong math foundations

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Practice & Worksheets

Practice & Worksheets

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How Ontario Students Use StudyPug

1

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Select Grade Level

Choose your Ontario grade (K-12) and current math topics.

2

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Get Unstuck

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3

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Practice & Master

Work through similar problems until concepts stick.

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See Results

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Ontario Grade 3 Math Help | Build Strong SkillsHelp

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OE_ID

Expectations

StudyPug Topic

ON.OE.3.B.1.1

B1.1 Whole Numbers: read, represent, compose, and decompose whole numbers up to and including 1000, using a variety of tools and strategies, and describe various ways they are used in everyday life

ON.OE.3.B.1.2

B1.2 Whole Numbers: compare and order whole numbers up to and including 1000, in various contexts

ON.OE.3.B.1.3

B1.3 Whole Numbers: round whole numbers to the nearest ten or hundred, in various contexts

ON.OE.3.B.1.5

B1.5 Whole Numbers: use place value when describing and representing multi-digit numbers in a variety of ways, including with base ten materials

ON.OE.3.B.1.7

B1.7 Fractions: represent and solve fair-share problems that focus on determining and using equivalent fractions, including problems that involve halves, fourths, and eighths; thirds and sixths; and fifths and tenths

ON.OE.3.B.2.1

B2.1 Properties and Relationships: use the properties of operations, and the relationships between multiplication and division, to solve problems and check calculations

ON.OE.3.B.2.2

B2.2 Math Facts: recall and demonstrate multiplication facts of 2, 5, and 10, and related division facts

ON.OE.3.B.2.3

B2.3 Mental Math: use mental math strategies, including estimation, to add and subtract whole numbers that add up to no more than 1000, and explain the strategies used

ON.OE.3.B.2.4

B2.4 Addition and Subtraction: demonstrate an understanding of algorithms for adding and subtracting whole numbers by making connections to and describing the way other tools and strategies are used to add and subtract

ON.OE.3.B.2.5

B2.5 Addition and Subtraction: represent and solve problems involving the addition and subtraction of whole numbers that add up to no more than 1000, using various tools and algorithms

ON.OE.3.B.2.6

B2.6 Multiplication and Division: represent multiplication of numbers up to 10 × 10 and division up to 100 ÷ 10, using a variety of tools and drawings, including arrays

ON.OE.3.B.2.7

B2.7 Multiplication and Division: represent and solve problems involving multiplication and division, including problems that involve groups of one half, one fourth, and one third, using tools and drawings

ON.OE.3.B.2.8

B2.8 Multiplication and Division: represent the connection between the numerator of a fraction and the repeated addition of the unit fraction with the same denominator using various tools and drawings, and standard fractional notation

ON.OE.3.B.2.9

B2.9 Multiplication and Division: use the ratios of 1 to 2, 1 to 5, and 1 to 10 to scale up numbers and to solve problems

ON.OE.3.C.2.1

C2.1 Variables: describe how variables are used, and use them in various contexts as appropriate

ON.OE.3.C.2.2

C2.2 Equalities and Inequalities: determine whether given sets of addition, subtraction, multiplication, and division expressions are equivalent or not

ON.OE.3.C.2.3

C2.3 Equalities and Inequalities: identify and use equivalent relationships for whole numbers up to 1000, in various contexts

ON.OE.3.D.1.1

D1.1 Data Collection and Organization: sort sets of data about people or things according to two and three attributes, using tables and logic diagrams, including Venn, Carroll, and tree diagrams, as appropriate

ON.OE.3.D.1.4

D1.4 Data Analysis: determine the mean and identify the mode(s), if any, for various data sets involving whole numbers, and explain what each of these measures indicates about the data

ON.OE.3.E.2.7

E2.7 Area: compare the areas of two-dimensional shapes by matching, covering, or decomposing and recomposing the shapes, and demonstrate that different shapes can have the same area

ON.OE.3.E.2.8

E2.8 Area: use appropriate non-standard units to measure area, and explain the effect that gaps and overlaps have on accuracy

ON.OE.3.E.2.9

E2.9 Area: use square centimetres (cm2) and square metres (m2) to estimate, measure, and compare the areas of various two-dimensional shapes, including those with curved sides

ON.OE.3.F.1.1

F1.1 Money Concepts: estimate and calculate the change required for various simple cash transactions involving whole-dollar amounts and amounts of less than one dollar
Complete Ontario Grade 3 Math Coverage

Grade 3 Lessons

117

Practice Activities

195

Practice Problems

191

Ontario Standards

100% Aligned

Why Ontario Families Choose StudyPug

EQAO Prep

EQAO Prep

Practice problems and lessons prepare your child for Grade 3 EQAO assessments

Canadian Certified Teachers

Canadian Certified Teachers

Canadian certified teachers with expertise in Ontario curriculum

Step-by-Step Solutions

Step-by-Step Solutions

Every problem includes detailed steps that show your child exactly how to solve it

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Success Stories

The worksheets made all the difference. My son went from struggling with fractions to teaching his sister in 2 months.

Michael T.

Amazing resource! My daughter now understands place value and can round numbers confidently. Her report card improved dramatically.

Aisha K.

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Frequently Asked Questions

Common questions about Grade 3 Math help in Ontario

Is StudyPug aligned with Ontario Grade 3 math curriculum?

Yes, StudyPug is 100% aligned with Ontario Curriculum standards for Grade 3. All lessons cover place value, multiplication, fractions, patterns, measurement, and geometry as required.

Does StudyPug help prepare for Grade 3 EQAO assessments?

Yes, our practice problems and activities prepare students for EQAO. We cover all tested areas including number sense, operations, patterns, and data management with Ontario-specific content.

What math topics does Grade 3 cover in Ontario?

Grade 3 covers numbers to 1000, multiplication and division facts, fractions, patterns, measurement (perimeter, area, capacity), 3D shapes, data management, and money.

Are printable worksheets available for Grade 3?

Yes, StudyPug includes printable worksheets for Grade 3 students. These worksheets reinforce concepts like multiplication facts, place value, fractions, and problem-solving skills.

How does StudyPug help struggling Grade 3 math students?

StudyPug uses adaptive difficulty that adjusts to your child's level. Practice activities build confidence step-by-step, and unlimited repetition ensures mastery of challenging concepts.

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