Grade 3 · ป.3
Grade 3 Math Worksheets
Printable PDF worksheets for every Grade 3 math topic — algorithmically generated and 100% accurate, in English and Thai. Free to start, no credit card needed.
Grade 3 topics
Addition
Three-digit column addition, multi-step word problems, and estimation.
Subtraction
Three-digit column subtraction, borrowing, and multi-step problems.
Multiplication
Times tables ×1–×12, missing-factor problems, and word problems.
Division
Division facts ÷1–÷12, missing-dividend and missing-divisor problems.
Fractions
Unit fractions (½, ⅓, ¼, ⅛), shaded-part diagrams, and number-line models.
Place Value
Four-digit numbers up to 9,999, expanded form, comparing, and rounding.
Number Line
Counting, fractions, and whole-number positions on the number line.
Times Tables
Speed drills for ×2–×12 facts, mixed tables, and timed practice.
Why use MathPrepAI for Grade 3 math?
Every problem is built from its answer using SymPy and verified before you see it — the answer key is guaranteed correct, every time.
Bilingual worksheets in English and Thai: word problems adapt names, currency, and phrasing to each language naturally.
Three difficulty levels (Easy · Medium · Hard) so every Grade 3 student is appropriately challenged.
Instant PDF with a clean, automatically generated answer key. Print or share digitally.
Free tier: 30 worksheets per month, no credit card required. Paid plans from $6/month for unlimited generation.
Common questions
Are Grade 3 math worksheets free?
Yes. The Free plan lets you generate up to 30 worksheets per month at no cost, with a watermark. Paid plans start at $6/month, remove the watermark, and allow unlimited generation.
Can I get Grade 3 worksheets in Thai?
Yes. Switch the language to Thai and every word problem automatically adapts — Thai names, baht currency, and natural Thai phrasing. The number layout stays identical so worksheets work in bilingual classrooms.
How is MathPrepAI different from an AI worksheet generator?
AI generators like ChatGPT can produce wrong answers. MathPrepAI builds every problem from its answer using SymPy, a professional symbolic math library, then verifies the result before you see it. The answer key is guaranteed correct — no hallucinations, ever.
Which Grade 3 topics are covered?
Grade 3 covers addition and subtraction within 1,000, multiplication and division facts up to ×12 and ÷12, introduction to fractions, four-digit place value, and number-line skills. Each topic has three difficulty levels and generates fresh problems every time.
Ready to create your first Grade 3 worksheet?
Join teachers across Thailand and the world using MathPrepAI for daily Grade 3 math practice.
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