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Free 4th Grade
Math Games Online!

Multiplication, division, fractions, decimals, angles & more — every Grade 4 skill in quiz format!

18Quiz Games
100%Free
Ages 9–10Grade 4
📝Quiz Format
Lv 10 XP — Answer questions to level up! 📚
📝 Pick a Quiz & Play!
🏆 Most Played
Multiplication
Multi-Digit Multiply!
Multiply 2-digit by 2-digit and 3-digit by 1-digit numbers! Apply the standard algorithm.
⭐⭐⭐⭐⭐+3.8k plays
÷
Division
Long Division!
Divide 3-digit and 4-digit numbers by 1-digit divisors. Find the quotient and remainder!
⭐⭐⭐⭐⭐+3.0k plays
📐
Factors & Multiples
Factor Finder!
List all factors of a number! Find common factors and determine if a number is prime or composite.
⭐⭐⭐⭐⭐+2.4k plays
💡 Key Skill
Fractions
Add & Subtract Fractions!
Add and subtract fractions with the same denominator! Simplify your answers.
⭐⭐⭐⭐⭐+2.6k plays
🟰
Mixed Numbers
Mixed Number Magic!
Convert between improper fractions and mixed numbers! Which form is equivalent?
⭐⭐⭐⭐+1.9k plays
Fractions
Multiply Fractions!
Multiply a fraction by a whole number! What is 3 × 2/5? Apply the rule and simplify!
⭐⭐⭐⭐⭐+2.1k plays
Decimals
Decimal Place Value!
Identify tenths and hundredths! What does each digit after the decimal point represent?
⭐⭐⭐⭐⭐+2.2k plays
⚖️
Decimals
Compare Decimals!
Compare decimals to hundredths using >, <, and =. Which decimal is larger?
⭐⭐⭐⭐+1.7k plays
📊
Place Value
Millions Master!
Read and write numbers to the millions! Identify digit values in 6 and 7-digit numbers.
⭐⭐⭐⭐⭐+2.0k plays
Geometry
Angle Ace!
Identify acute, right, obtuse and straight angles! Estimate angle measures and classify triangles.
⭐⭐⭐⭐⭐+2.3k plays
➡️
Geometry
Lines & Rays!
Tell apart lines, line segments, rays, and identify parallel and perpendicular lines!
⭐⭐⭐⭐+1.5k plays
📏
Measurement
Unit Converter!
Convert between feet and inches, kilograms and grams, litres and millilitres and more!
⭐⭐⭐⭐⭐+1.8k plays
Measurement
Area of Complex Shapes!
Split irregular shapes into rectangles! Find the total area by adding parts together.
⭐⭐⭐⭐+1.6k plays
📈
Data
Line Plot!
Read a line plot showing fractional measurements! Answer questions about the data.
⭐⭐⭐⭐+1.2k plays
🔁
Patterns
Pattern Detective!
Find the rule and predict the next term! Rules include add, subtract, multiply and divide!
⭐⭐⭐⭐⭐+1.7k plays
Fractions
Fraction ↔ Decimal!
Convert between fractions and decimals! 1/4 = 0.25, 3/10 = 0.3. Master both forms!
⭐⭐⭐⭐⭐+2.0k plays
📍
Place Value
Round Large Numbers!
Round to any place up to the ten-thousands! Apply rounding rules to multi-digit numbers.
⭐⭐⭐⭐+1.5k plays
📖 Reading!
📚
Word Problems
Problem Solver!
Multi-step word problems using all four operations! Read carefully and choose the right strategy.
⭐⭐⭐⭐⭐+2.2k plays
Eighteen focused quizzes for Grade 4: multi-digit operations, fractions, decimals, geometry, and complex word problems. Free, instant, no login.

Grade 4: Fluency, Complexity, and the Beginning of Abstract Thinking

Fourth grade asks more of students than any previous year. The operations grow more complex — multi-digit multiplication, long division with remainders. The number types diversify — fractions with unlike denominators, decimals to hundredths, numbers in the millions. The geometry becomes analytical — classifying figures by their precise properties, calculating angles, decomposing composite shapes. And the word problems become genuinely multi-step, requiring students to plan a sequence of operations rather than identify a single one.

These 18 quiz-format games are calibrated to the cognitive demands of Grade 4. They do not just ask students to calculate — they ask students to understand what they are calculating, why, and whether the answer is reasonable.

Topics and What They Demand

Multi-Digit Multiplication

Multi-Digit Mul requires students to engage with the standard algorithm at the level of understanding: what does each partial product represent? Is the final answer within a reasonable range? What would you estimate before calculating? Students who can answer these questions have genuine procedural knowledge; students who can only execute the steps have a fragile skill that fails under novel conditions.

Long Division

Long Division is the most multi-step operation of the primary years — estimate, multiply, subtract, bring down, repeat — all while maintaining accurate place value throughout. The quiz builds this coordination by presenting problems alongside contextual interpretation questions: what does this remainder mean in this situation? Is this quotient reasonable? These questions are not secondary to the operation; they are the mathematical heart of it.

Fractions and Decimals as One System

Add Sub Fracs, Mixed Numbers, and Mul Fracs develop fraction operations with maintained conceptual connection throughout. Decimal Place, Compare Decimals, and Frac Dec Equiv build the understanding that decimals are fractions with denominators of 10 or 100 — not a new system of rules, but a notational convenience for a familiar concept. Students who understand this connection navigate all decimal arithmetic with the confidence of someone using familiar tools, rather than the anxiety of someone learning something entirely new.

Geometry: Angles, Lines, and Area

Angles builds the vocabulary of geometric precision: acute, obtuse, right, reflex, straight. Lines Rays develops the distinction between lines, segments, and rays — the vocabulary of geometric definition. Area Irregular requires decomposing composite shapes into rectangles, calculating each area, and summing — practising the mathematical problem-solving strategy of breaking a complex problem into manageable parts that each have known solutions.

Number Sense at Scale

Place Value Mil, Round Large, and the patterns and factors games develop number sense with large and complex numbers. Students who are genuinely fluent with these — who can estimate 347×28 as "around 10,000" before calculating, who can identify all factor pairs of 48 systematically, who can extend a pattern with a non-obvious rule — have the number sense that makes secondary mathematics accessible rather than impenetrable.

Word Problems: The Final Test

Word Prob 4 presents every major Grade 4 operation in realistic multi-step context. The decisive skill it develops is not calculation — it is the translation from situation to structure: recognising what a problem is asking, identifying what information is relevant, and deciding what operations to perform in what order. Students who master this skill are ready for the accelerated demands of Grade 5 and the algebraic thinking of middle school.

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