Number systems: Practice Mode | LearnFun

Skip to content

Practise

🎯Maths practice by grade126 skills · mastery score 📅Today's challengeFive questions · keep your streak 🧭Find my level12 questions, then where to start ✖️Times tables2 to 20, with games 🦘Math Kangaroo Grade 3NEWLessons and practice tests

Learn

⚡Kids mental mathNEWSpeed tricks and confidence 📘Maths by topicClass 6 to 10 with worked examples 💡Interactive lessonsChange a diagram, see the idea 🔢Maths foundations pathGrades 1 to 5, step by step 📐Middle-school pathGrades 6 to 8

Play and print

🎲Maths games35 games, all free 🎯Make 24NEWFour numbers, one target 🖨️Printable worksheetsEvery grade, with answers 🎉Riddles and puzzlesQuizzes and brain teasers

With a teacher

🧸British curriculum, age 5NEWLive 45-minute classes 🎒Maths by school classClass 1 to 10 📝Exam preparationBoards, GCSE, IGCSE, IB, SAT 🏅Olympiads and contestsNon-routine problems

Maths

126 maths skills to master

Short practice with a mastery score, a daily five-minute challenge, games and printable worksheets, from Class 1 to 10.

Start practising →

Start here

🚀Coding for kids & parentsNEWScratch, Python & sandbox 🐍Learn Python24 lessons · free 🛠️Web Developer PathNEW18 lessons · HTML, CSS, layout 🌐HTML, CSS and JavaScript24 short lessons 📋Python programs22 to run and edit 📄Python cheat sheetRunnable examples

Build

🎨Python StudioFREE NOW18 creative projects 🐢Turtle StudioDraw with code 🐒Code JungleGuide a monkey with Python 🐞Bug HunterNEWFind the line that is wrong 💻All coding games13 games

Master

🏆Coding GrandmasterFREE NOW46 advanced lessons 📊Sorting visualiserWatch algorithms work 🧭Pathfinding visualiserBreadth-first search 📖Coding glossaryTerms in plain words

With a teacher

🎓Live coding classesScratch, Python, web, AI, Java 👩‍🏫Python for kidsLive, small groups ✨AI for kids and teensUnderstand and question AI 🗺️Python from zero pathA map of short steps

Coding

130 coding lessons, all in your browser

Type real code, run it on the page and get instant checking, from your first print() to machine learning and a web page of your own.

Open the coding hub →

Learn the cube

⏱️Speedcubing master guideNEWSub-30 roadmap & timer 🧩Solve it in 7 stepsThe beginner method 🧊Cube academyLessons, algorithms and tools 📚OLL and PLL algorithmsEvery case with a picture 🗺️Cube solver pathFirst solve to faster

Trainers and tools

🔄Virtual cubeTurn a 3D cube ⏱️Cube timerSolves and averages 🎯PLL trainerRecognise the case fast ❓Notation quizR, U, L' made clear

Chess

♞Chess for kidsNEWLearn, play and solve ⭐How the pieces moveCollect stars with each piece ♚Checkmate in onePuzzles with answers ♘Knight's tourEvery square once

Logic puzzles

🧩All puzzle games15 games 🔢Sliding puzzleNEW8, 15 and 24 tiles ⛵River crossingNEWWolf, goat and cabbage ⚖️Coin weighingNEWFind the fake coin

Cube & puzzles

From first turn to first solve

Seven short lessons, every last-layer algorithm with a picture, a 3D cube and a timer. Free.

Solve the cube →

By subject

🔢Maths gamesFacts, fractions, algebra 💻Coding gamesPython, bugs and logic 🧩PuzzlesDeduction and patterns 📚English gamesSpelling, phonics, grammar 🧊Cube gamesNotation and moves

New and popular

🎯Make 24NEWReach 24 with four numbers 🔐Maths PasswordNEWTen escalating rules 🎱Times Table BingoNEWCall it, find it, tap it 🧱Code BuilderNEWPut the lines in order 🐒Code Jungle24 levels of Python

Challenges

📅Today's challengeFive questions, one streak 🎮All 123 gamesNo account needed 🔥My learningXP, streak and badges ⌨️Typing gamesSpeed and accuracy

Play

A fresh puzzle each day

Binary Bits is today's quick challenge.

Try today's challenge →

Ready to teach

🐍Python from scratchNEW5 full lessons ready · Beginner 🧩Block coding for Grade 5 (with code.org)NEW4 full lessons ready · Grade 5 ⚖️Grade 7 maths: expressions, equations and inequalitiesNEW8 full lessons ready · Grade 7 🏅Maths Olympiad preparationNEW4 full lessons ready · Classes 4 to 7 🦘Math Kangaroo Grade 3NEW8 full lessons ready · Grade 3 🏆Class 3 Maths OlympiadNEW1 full lesson ready · Class 3 🧸British curriculum maths, age 5NEW8 full lessons ready · Age 5 📘Class 6 maths, chapter by chapterNEW1 full lesson ready · Class 6 📗Class 7 maths, chapter by chapterNEW12 full lessons ready · Class 7 📙Class 8 maths, chapter by chapterNEW3 full lessons ready · Class 8 📘Class 9 maths, chapter by chapterNEW1 full lesson ready · Class 9 All 30 courses and outlines →

Step-by-step paths

🔢Maths foundationsGrades 1 to 5 📐Middle-school mathsGrades 6 to 8 🐍Python from zeroPrint to projects 🧊Rubik's Cube solverFirst solve to faster All learning paths →

Interactive courses

💡30 interactive lessonsMaths, coding, AI 🤖AI and machine learningNeural networks and training 💻Python lessonsLists, loops, practice 📈Algebra lessonsEquations and graphs All courses →

Find something

🧩Warm-ups for every classNEWStart any class with a puzzle ⭐LearnFun PlusEvery lesson of every course, from ₹208 a month 🔎Browse the catalogFilter by subject, level, time 🔥My learningStreak, XP and where you left off ✨Create a free accountSave progress on any device

Courses

Teach a whole class from one page

55 complete lessons with examples to run, a class activity, a quiz and a project. Press Teach this lesson and go.

Start teaching →

Programs

🧸British curriculum mathsNEWAge 5 · 45 min · ₹700 a class 🌍Global study circlesNEWLive international groups 🔢Maths classesPuzzles, games, visual ideas 💻Coding classesScratch, Python, web, AI, Java 🧊Cube classesFrom first solve to speed ✨AI classesUnderstand and question AI All classes →

Courses and prices

🎓99 live coursesLevels and ages shown first 💳Prices by countryPer class and per course 🌍Classes abroad (NRI)Your time zone, your currency 📝Exam and contest prepBoards, NEET, JEE, IELTS

By age

🎂Age 5Kindergarten · Reception · Nursery or KG 🎂Age 8Grade 3 · Year 4 · Class 3 🎂Age 11Grade 6 · Year 7 · Class 6 🎂Age 14Grade 9 · Year 10 · Class 9 All ages →

Live classes

Choose by interest and age

Maths, coding and Rubik's Cube classes for ages 5 to 16 with a teacher from our network. We confirm fit, schedule and price first.

Book a free demo →

Getting started

👨‍👩‍👧Parent guideChoose by age and goal 🎒For studentsStudy and exam prep 🎓Find a teacherA teacher from our network 🌍Classes abroad (NRI)Your time zone, your currency

Helpful guides

📝Choosing a maths tutorQuestions to ask first 💻When to start codingAges and first steps 🧊Rubik's Cube for kidsGetting started All guides →

Trust and safety

🛡️Online class safetyA practical checklist 💳Class pricesBy country 👋About usWho is behind the site ✉️Ask about a classWe will help you choose

Parents

A clear next step for your child

Tell us their age, class and interests. We will confirm fit, schedule and price with a parent or guardian.

Start with the parent guide →

⭐ Plus 👤Log in Book a free demo

👤Log in or sign up ⭐Plus: every lesson 📚Courses 🎮All games

Maths

Practise

🎯Maths practice by grade 📅Today's challenge 🧭Find my level ✖️Times tables 🦘Math Kangaroo Grade 3NEW

Learn

⚡Kids mental mathNEW 📘Maths by topic 💡Interactive lessons 🔢Maths foundations path 📐Middle-school path

Play and print

🎲Maths games 🎯Make 24NEW 🖨️Printable worksheets 🎉Riddles and puzzles

With a teacher

🧸British curriculum, age 5NEW 🎒Maths by school class 📝Exam preparation 🏅Olympiads and contests Start practising →

Coding

Start here

🚀Coding for kids & parentsNEW 🐍Learn Python 🛠️Web Developer PathNEW 🌐HTML, CSS and JavaScript 📋Python programs 📄Python cheat sheet

Build

🎨Python StudioFREE NOW 🐢Turtle Studio 🐒Code Jungle 🐞Bug HunterNEW 💻All coding games

Master

🏆Coding GrandmasterFREE NOW 📊Sorting visualiser 🧭Pathfinding visualiser 📖Coding glossary

With a teacher

🎓Live coding classes 👩‍🏫Python for kids ✨AI for kids and teens 🗺️Python from zero path Open the coding hub →

Cube & puzzles

Learn the cube

⏱️Speedcubing master guideNEW 🧩Solve it in 7 steps 🧊Cube academy 📚OLL and PLL algorithms 🗺️Cube solver path

Trainers and tools

🔄Virtual cube ⏱️Cube timer 🎯PLL trainer ❓Notation quiz

Chess

♞Chess for kidsNEW ⭐How the pieces move ♚Checkmate in one ♘Knight's tour

Logic puzzles

🧩All puzzle games 🔢Sliding puzzleNEW ⛵River crossingNEW ⚖️Coin weighingNEW Solve the cube →

Play

By subject

🔢Maths games 💻Coding games 🧩Puzzles 📚English games 🧊Cube games

New and popular

🎯Make 24NEW 🔐Maths PasswordNEW 🎱Times Table BingoNEW 🧱Code BuilderNEW 🐒Code Jungle

Challenges

📅Today's challenge 🎮All 123 games 🔥My learning ⌨️Typing games Try today's challenge →

Courses

Ready to teach

🐍Python from scratchNEW 🧩Block coding for Grade 5 (with code.org)NEW⚖️Grade 7 maths: expressions, equations and inequalitiesNEW 🏅Maths Olympiad preparationNEW 🦘Math Kangaroo Grade 3NEW 🏆Class 3 Maths OlympiadNEW 🧸British curriculum maths, age 5NEW 📘Class 6 maths, chapter by chapterNEW 📗Class 7 maths, chapter by chapterNEW 📙Class 8 maths, chapter by chapterNEW 📘Class 9 maths, chapter by chapterNEW All 30 courses and outlines →

Step-by-step paths

🔢Maths foundations 📐Middle-school maths 🐍Python from zero 🧊Rubik's Cube solver All learning paths →

Interactive courses

💡30 interactive lessons 🤖AI and machine learning 💻Python lessons 📈Algebra lessons All courses →

Find something

🧩Warm-ups for every classNEW ⭐LearnFun Plus 🔎Browse the catalog 🔥My learning ✨Create a free account Start teaching →

Live classes

Programs

🧸British curriculum mathsNEW 🌍Global study circlesNEW 🔢Maths classes 💻Coding classes 🧊Cube classes ✨AI classes All classes →

Courses and prices

🎓99 live courses 💳Prices by country 🌍Classes abroad (NRI)📝Exam and contest prep

By age

🎂Age 5 🎂Age 8 🎂Age 11 🎂Age 14 All ages → Book a free demo →

Parents

Getting started

👨‍👩‍👧Parent guide 🎒For students 🎓Find a teacher 🌍Classes abroad (NRI)

Helpful guides

📝Choosing a maths tutor 💻When to start coding 🧊Rubik's Cube for kids All guides →

Trust and safety

🛡️Online class safety 💳Class prices 👋About us ✉️Ask about a class Start with the parent guide →

🔎 Catalog 👋 About ✉️ Ask about a class

Book a free demo

🔥 0⭐ 0

📘 Number systems · practice mode

Playful online learning for curious minds: maths, coding, AI, school subjects, exams and puzzles.

WhatsApp us Send an enquiry

Programs

Maths Coding Rubik's Cube All classes Online courses Class prices Exam & competition prep Book a free demo

Learn & practise

Grades 7 to 12 maths Become a teacher Child safety Learning paths Catalog Maths practice Daily challenge Free learning games Printable worksheets Python programs Solve the cube Interactive courses My learning

Classes by age

Age 5 Age 6 Age 7 Age 8 Age 9 Age 10 Age 11 Age 12 All ages →

For families

Parent guide For students Classes abroad (NRI families)Guides Online class safety About LearnFun Contact a teacher Software & websites

LearnFun is an independent online learning provider. Course availability, teaching format, schedule and pricing are confirmed with an adult before a booking is made.

Reaction GIFs powered by GIPHY. © 2026 LearnFun · Privacy · Terms

Chat on WhatsApp

Esc

Try