Grade 3 is one of the most important years in a child’s mathematical development. The concepts introduced in Grade 3 — multiplication, division, fractions, and place value to the thousands — form the foundation for everything that follows in Grades 4 through 8. Practice at home, with the right Grade 3 math worksheets, makes a real difference.
This page provides free Grade 3 math worksheets and practice problems across every major curriculum strand, with answers included. Use them for homework support, weekend practice, or to identify where your child needs more work before the next term.
What Grade 3 Math Covers in Canada
Before working through worksheets, it helps to know what Grade 3 students are expected to master. The Ontario Grade 3 mathematics curriculum — closely aligned with other Canadian provincial curricula — covers five main strands:
- Number — place value to 1,000, addition and subtraction to 1,000, multiplication and division (×2, ×3, ×4, ×5, ×10), fractions (halves, thirds, fourths, eighths)
- Algebra — growing and shrinking patterns, simple equations, balance problems
- Data — collecting and reading data from tally charts, pictographs, and bar graphs
- Spatial Sense (Geometry) — 2D and 3D shapes, symmetry, location and movement on a grid
- Measurement — length in cm and m, mass in g and kg, capacity in mL and L, time to the nearest minute
For a complete breakdown of what the Ontario Grade 3 curriculum covers by strand, see our Grade 3 math curriculum Ontario guide.
Grade 3 Math Worksheets: Number Practice Problems
Addition and Subtraction
Practice Set 1 — Addition to 1,000
- 347 + 215 = ___
- 508 + 164 = ___
- 623 + 278 = ___
- 495 + 307 = ___
- 761 + 139 = ___
- There are 284 students at Maple School and 315 students at Birch School. How many students are there altogether?
- Maria has 437 stickers. She gets 256 more for her birthday. How many stickers does she have now?
- The library has 548 fiction books and 263 non-fiction books. How many books are there in total?
Answers: 1) 562 2) 672 3) 901 4) 802 5) 900 6) 599 7) 693 8) 811
Practice Set 2 — Subtraction to 1,000
- 856 − 324 = ___
- 700 − 253 = ___
- 942 − 387 = ___
- 615 − 278 = ___
- 1,000 − 436 = ___
- There were 724 apples in a warehouse. The store sold 358 apples. How many are left?
- Lena had 500 cards. She gave 187 to her friend. How many cards does she have now?
- A bookshelf had 831 books. 265 books were taken out. How many books are left?
Answers: 1) 532 2) 447 3) 555 4) 337 5) 564 6) 366 7) 313 8) 566
Multiplication
Practice Set 3 — Multiplication Facts (×2, ×3, ×4, ×5, ×10)
- 3 × 4 = ___
- 5 × 7 = ___
- 2 × 9 = ___
- 4 × 6 = ___
- 10 × 8 = ___
- 3 × 7 = ___
- 5 × 4 = ___
- 4 × 9 = ___
- There are 5 boxes. Each box has 6 pencils. How many pencils are there altogether?
- A garden has 4 rows of flowers. Each row has 7 flowers. How many flowers are there in total?
- Sam puts 3 apples in each bag. He fills 8 bags. How many apples does he use?
- A classroom has 5 tables. Each table seats 6 students. How many students can sit down?
Answers: 1) 12 2) 35 3) 18 4) 24 5) 80 6) 21 7) 20 8) 36 9) 30 10) 28 11) 24 12) 30
Division
Practice Set 4 — Division (÷2, ÷3, ÷4, ÷5, ÷10)
- 20 ÷ 4 = ___
- 35 ÷ 5 = ___
- 24 ÷ 3 = ___
- 40 ÷ 10 = ___
- 18 ÷ 2 = ___
- 30 ÷ 5 = ___
- 36 ÷ 4 = ___
- 27 ÷ 3 = ___
- 24 cookies are shared equally among 4 friends. How many cookies does each friend get?
- 45 students are split into groups of 5. How many groups are there?
- A baker has 30 muffins to put into boxes of 3. How many boxes does she fill?
- 40 stickers are shared equally among 10 children. How many stickers does each child get?
Answers: 1) 5 2) 7 3) 8 4) 4 5) 9 6) 6 7) 9 8) 9 9) 6 10) 9 11) 10 12) 4
Fractions
Practice Set 5 — Fractions
- Colour 1/2 of a shape divided into 2 equal parts. How many parts do you colour? ___
- A pizza is cut into 4 equal slices. You eat 1 slice. What fraction did you eat? ___
- Which fraction is larger: 1/2 or 1/4? ___
- A ribbon is cut into 3 equal pieces. What fraction is each piece? ___
- 3/4 of 8 apples = ___ apples
- James ate 2/3 of his sandwich. What fraction is left? ___
- Circle the fraction closest to 1: 1/8 | 3/4 | 1/3
- A class of 12 students — half are wearing hats. How many students are wearing hats?
Answers: 1) 1 2) 1/4 3) 1/2 4) 1/3 5) 6 6) 1/3 7) 3/4 8) 6
Place Value
Practice Set 6 — Place Value to 1,000
- What is the value of the digit 7 in 374? ___
- Write 600 + 50 + 8 as a single number. ___
- What number comes 10 more than 492? ___
- What number comes 100 less than 830? ___
- Write 905 in expanded form. ___
- Order these numbers from smallest to largest: 463, 346, 634, 364
- Round 347 to the nearest 10. ___
- Round 682 to the nearest 100. ___
Answers: 1) 70 2) 658 3) 502 4) 730 5) 900 + 0 + 5 6) 346, 364, 463, 634 7) 350 8) 700
Grade 3 Math Worksheets: Algebra Practice Problems
Practice Set 7 — Patterns and Equations
- Continue the pattern: 5, 10, 15, 20, ___, ___
- What is the rule? 3, 6, 9, 12, ___ Rule: ___
- Find the missing number: ___ + 14 = 23
- Find the missing number: 30 − ___ = 17
- Complete: 4 × ___ = 28
- If ★ + ★ = 12, what is ★ = ___?
- Continue the pattern: 100, 90, 80, ___, ___
- What comes next? △ □ □ △ □ □ △ ___
Answers: 1) 25, 30 2) 15; rule: add 3 3) 9 4) 13 5) 7 6) 6 7) 70, 60 8) □
Grade 3 Math Worksheets: Data Practice Problems
Practice Set 8 — Reading and Interpreting Data
Use this data for questions 1–5:
A class voted for their favourite season. Results:
- Spring: 6 students
- Summer: 10 students
- Autumn: 4 students
- Winter: 5 students
- How many students voted in total? ___
- Which season was the most popular? ___
- How many more students chose Summer than Winter? ___
- How many students chose Spring or Autumn combined? ___
- If you were drawing a bar graph, which bar would be tallest? ___
Bonus: In a pictograph where each ★ = 2 students, how many ★ symbols would you draw for Summer?
Answers: 1) 25 2) Summer 3) 5 4) 10 5) Summer Bonus: 5 stars
Grade 3 Math Worksheets: Geometry Practice Problems
Practice Set 9 — 2D Shapes and Symmetry
- How many sides does a hexagon have? ___
- Name a 2D shape with exactly 3 vertices. ___
- True or false: A square is a type of rectangle. ___
- How many lines of symmetry does a square have? ___
- How many lines of symmetry does a regular triangle have? ___
- A shape has 4 equal sides and 4 right angles. What shape is it? ___
- Which shape has 0 vertices? ___
- Name a 3D shape with 6 faces, all rectangles. ___
Answers: 1) 6 2) Triangle 3) True 4) 4 5) 3 6) Square 7) Circle 8) Rectangular prism (cuboid)
Grade 3 Measurement: Practice Problems
Practice Set 10 — Length, Mass, Capacity and Time
- How many centimetres are in 1 metre? ___
- A pencil is 17 cm long and a ruler is 30 cm long. How much longer is the ruler? ___
- Order these from lightest to heaviest: 1 kg, 500 g, 2 kg
- A jug holds 1 L of water. How many mL is that? ___
- It is 2:15 pm. What time will it be in 45 minutes? ___
- School starts at 8:30 am and ends at 3:00 pm. How long is the school day? ___
- A bag of flour weighs 2 kg. A bag of sugar weighs 750 g. Which is heavier? ___
- How many minutes are in 2 hours? ___
Answers: 1) 100 2) 13 cm 3) 500 g, 1 kg, 2 kg 4) 1,000 mL 5) 3:00 pm 6) 6 hours 30 minutes 7) Flour 8) 120
How to Use These Worksheets Effectively
Printing problems and having your child complete them is a starting point. Getting the most out of practice requires a few additional steps.
Time the practice. Grade 3 students should be able to complete a set of 8–10 problems in 10–15 minutes if the content is genuinely secure. If a practice set takes significantly longer, the content is not yet fluent — it needs more work, not just more practice at the same pace.
Review errors immediately. When your child gets a problem wrong, go through it together straight away — not at the end of the session. Understanding why an answer was wrong is more valuable than getting through more problems.
Watch for patterns in errors. A child who consistently misses subtraction problems involving borrowing has a specific gap. A child who struggles with all word problems has a different gap — reading comprehension interfering with mathematical ability. Identifying the pattern in errors tells you what to focus on next.
Don’t over-rely on worksheets alone. Worksheets measure whether a student can reproduce a procedure. They are less good at measuring whether a student understands the underlying concept — which is what determines whether they will be able to extend that knowledge in Grade 4 and beyond. A child who can complete multiplication worksheets correctly without understanding what multiplication means will hit a wall when multiplication appears in a new context. Our number sense parent guide explains what conceptual understanding looks like and how to build it alongside procedural fluency.
Signs Your Grade 3 Child May Need More Than Worksheets
Worksheets are useful practice. They are not always sufficient — and certain signs suggest a child needs structured support beyond what home practice can provide.
They can complete problems but cannot explain them. A child who gets multiplication right by counting on their fingers but cannot explain what 4 × 3 means is not yet fluent — they have a procedure, not an understanding. This gap typically surfaces in Grade 4 when multiplication becomes more complex.
They freeze on word problems. If your child can complete calculation problems but goes blank when the same numbers appear in a word problem context, the issue is likely how mathematics connects to real-world reasoning — a conceptual gap that practice problems alone do not address.
Speed is significantly slower than peers. Grade 3 students should be able to retrieve basic multiplication facts (×2 through ×10) in under 3 seconds each. Students who are calculating rather than retrieving are not yet fluent and will be slower on every downstream task that uses multiplication.
They are losing confidence. A child who used to enjoy mathematics and now avoids it, claims to be “bad at maths,” or becomes anxious before tests is showing a sign that gaps have accumulated beyond what they can independently manage. Early intervention at this stage is significantly more effective than waiting until Grade 5 or 6.
Their school marks are declining. A drop in mathematics marks between Grade 2 and Grade 3 is worth taking seriously — Grade 3 introduces multiplication and fractions, which are the two areas where gaps most commonly open up and persist.
For a fuller picture of what Grade 3 mathematical fluency should look like, and how to identify whether your child is on track, see our EQAO Grade 3 complete guide and EQAO Grade 3 practice test guide.
How Think Academy Helps Grade 3 Students
Think Academy Canada works with students from Grade 1 through Grade 12. At the Grade 3 level, our focus is on building genuine mathematical fluency — not just the ability to complete worksheets, but the deep number sense and conceptual understanding that makes all future mathematics easier.
Our Grade 3 programme covers the full Ontario curriculum and goes beyond it for students who are ready to be challenged. Lessons are delivered online by qualified mathematics instructors, in small groups, with diagnostic-led placement that ensures every student is working at exactly the right level — not so easy it is unchallenging, not so hard it is demoralising.
The free diagnostic assessment is the right starting point. It gives you a clear, specific picture of where your child’s Grade 3 mathematics sits — which skills are secure, which have gaps, and what targeted support looks like. It takes 20 minutes and produces a written feedback report you can act on immediately, with no obligation to sign up for anything.
Frequently Asked Questions
What maths should a Grade 3 student know? By the end of Grade 3, students should be able to add and subtract to 1,000 with regrouping, know multiplication facts for ×2, ×3, ×4, ×5, and ×10, understand basic fractions (halves, thirds, fourths), read data from graphs, identify 2D and 3D shapes, measure length and mass, and tell time to the nearest minute.
How much maths practice should a Grade 3 student do at home? 15–20 minutes of focused practice three to four times per week is more effective than a single long session on the weekend. Consistency matters more than volume. Regular short practice maintains fluency; occasional long sessions tend to exhaust rather than build.
My child gets everything right on worksheets but struggles on tests. Why? Worksheet practice is often done without time pressure, with support nearby, and on familiar problem types. Tests introduce time pressure, unfamiliar formats, and no support. Students who rely on slow calculation rather than fluent recall will perform worse under test conditions. Building genuine fact fluency — not just accuracy, but speed — is the fix.
Are Grade 3 math worksheets aligned to EQAO? The problems on this page are aligned to the Ontario Grade 3 mathematics curriculum, which is what EQAO Grade 3 assesses. Practising curriculum-aligned problems builds the same skills the EQAO tests. For specific EQAO practice and sample questions, see our EQAO Grade 3 practice test guide.
My child is ahead — are these worksheets too easy? Possibly. This page covers standard Grade 3 content. For students working above grade level, Grade 4 content — particularly multi-digit multiplication, long division, and decimal concepts — is the right next step. See our Grade 4 math curriculum guide for what that looks like.
See our related guides: Grade 3 math curriculum Ontario · EQAO Grade 3 complete guide · EQAO Grade 3 practice test · Grade 4 math curriculum · number sense parent guide · Grade 2 math worksheets · Ontario math curriculum overview
Worksheets are a starting point. An online free trial class shows you what’s actually going on.
