Master mental math with our highly rated free flashcards. We make math practice easy whether you are preparing for a standardized test or just training for fun.200 mental math flashcards crafted by an expert math tutor. Explanations of shortcuts for every arithmetic calculations including addition, subtraction, multiplication, division, and more. Track your progress as you study.

Mental Math Practice

Challenge yourself on small coding exercises called Kata. Each Kata is crafted by the community to help you strengthen different coding skills. Master your current language of choice, or learn any of the 55+ programming languages supported. Kata code challenges are ranked from beginner to expert level. As you complete higher-ranked kata, you level up your profile and push your software development skills to your highest potential.

Codewars

Mathly is the most enjoyable and challenging math game for both children and adults to play. The most important thing in mathematics is 4 basic operations. This app show how to learn math for you. This app create a better result for learning ability of your ability.

Mathly

With the free CK-12 app for phones and tablets, you’re in control of learning. CK-12 features 5000+ math and science lessons and concepts - all accessible anytime, anywhere. Learn at your own pace with thousands of courses tailored to improve efficiency of learning.

CK12

Prodigy Math is the engaging, fantasy-based math platform. It’s curriculum-aligned, offering content from every major math topic from 1st to 8th grade. Above all, Prodigy’s mission is to help every student in the world to love learning. After creating their own personalized math wizard, your child will compete in math battles against in-game characters, just like how role-playing games like Pokémon work. To win, they must answer sets of math questions. The game also adapts in difficulty to suit your child’s learning style and grade level, helping them build key math skills. In one school district, research showed that students who used Prodigy Math mastered 68% more math skills on average when they used Prodigy Math

Prodigy Math

Learn Java programming from scratch on your smartphone with the educational quest game from creators of CodeGym. The course consists of 1200 tasks and 600 mini-lectures. If you dream of becoming a programmer, but you’re short of time for learning on courses with a demanding schedule, here’s a solution. With this app, you can devote as much time for your learning as you have, and practice wherever you want. Even 30 minutes a day would be enough for reading a couple of lectures or solving a few tasks. Our Java programming course is designed in a playing format and includes four quests. Each quest consists of 10 levels with lectures and tasks. Imagine you play a game and skill-up your character along with actually learning how to code!

CodeGym

Empire Of Code is a game with an awesome mix of strategy, tactics and coding which, as a fan of CheckiO, we hope you will enjoy! Once you step into the game, you will build, expand and code your Empire to victory.

Empire of Code

Your job is to stop the incoming enemies from getting past your defenses. Unlike other tower defense games, you must position your towers using CSS! We'll start with container properties. A flexbox container has a main axis and a cross axis.

Flexbox Defense

Welcome to Flexbox Froggy, a game where you help Froggy and friends by writing CSS code! Guide this frog to the lilypad on the right by using the justify-content property, which aligns items horizontally

Flexbox Froggy

Welcome to a new way to learn PLC Ladder Logic Programming. With a variety of interactive machines, many of which inspired by real-world factory equipment, beginners will learn the basics and experienced PLC programmers will find fun challenges with a familiar interface. Complete with customizable control panel and full digital and analog functions, check out an easy and intuitive way to learn the most common programming language in the factory automation industry.

Automation

Create an AI for your DumbBots to help them achieve victory! Learn the basics of coding with guns, explosions, and ragdolls. Code AI to compete in DeathMatch, Battle Royale, Heist, Survival or to complete Challenge scenarios. Complete challenging scenarios made by your friends/classmates, or go 'code-to-code' and see who wrote the better bot in competition.

DumbBots

Foldit is a revolutionary crowdsourcing computer game enabling you to contribute to scientific research. Learn the science behind Foldit and how your playing can help.

FoldIt

Sums Stacker is a Math Doodles challenge that provides plenty of addition and subtraction practice, within a recreational math setting. The mathematical puzzle allows users to play with different representations of numbers, while developing their number sense to create strategies to help them solve problems.

Sums Stacker

.Brainscape’s SMART FLASHCARDS foster hyper-efficient studying and strong habits to DOUBLE your learning speed, with the strongest implementation of spaced repetition and active recall of any flashcard app on the planet

Brainscape Flashcards

Cooking Mama is another franchise that has been around for a while, first hitting the market in 2006. Since then it has been helping us learn some of the basics of cooking and meal preparation by making it fun. Compared to other cooking simulation games, this is one that everyone can get into. Fast forward to today and the latest title, Cooking Mama: Cookstar has even integrated social media and even a nod to Instagram. This reflects how we share our yummy dishes with friends and families.

Cooking Mama

TIS-100 is an open-ended programming game by Zachtronics, the creators of SpaceChem and Infinifactory, in which you rewrite corrupted code segments to repair the TIS-100 and unlock its secrets. It’s the assembly language programming game you never asked for!

TIS-100

Learn Fundamental Computer Science Skills

Automate swarms of office workers to solve puzzles inside your very own parallel computer made of people. A thrilling followup to the award winning Human Resource Machine. Now with more humans!

7 Billion Humans

Learn Programming Using a Visual Approach

tanxy is a game where you can program. In tanxy you can write a JavaScript program to control any Unit on your behalf. Manual control is also possible. Your goal is to destroy all enemy Units and to keep yours.

Tanxy

Adventure Land is an experimental Indie MMORPG. ANYONE can Code not just one, but up to 4 characters! You can play manually, use the given default Javascript Code, or learn programming to do more!

Adventure Land - The Code MMORPG

Bitburner is a programming based incremental game. Write scripts in JavaScript to automate gameplay, learn skills, play minigames, solve puzzles and more in this cyberpunk text-based incremental RPG

Bitburner

Wordgrams is a turn-based game where two players complete the crossword puzzle together and compete for the highest score. It's a new take on crossword puzzles too with clues inside the squares and some clues are pictures.

Wordgrams

Learn to code for free with fun, bite-sized lessons. Choose from more than 20 programming languages, including Python, JavaScript, HTML, CSS, SQL, C#, Java, SWIFT, and C++. Each coding course is designed by expert programmers and tailored to your learning level. You even get a real code editor to practice! Whether you're new to coding or already a developer, freshen up your programming skills and level up your career with our coding academy. Practice your coding daily with up-to-date content. Explore library of learning content for coding and get help from our community when you need it. With 40 million programming students worldwide, there's always someone who can help you solve problems and delve into cool topics. Master algorithms and data structures, build software focused on machine learning, learn to interpret design patterns, and compete in fun coding games against other programmers.

Sololearn

This program is a K-12 supplemental literacy tool designed to help children at every learning level learn spelling and hone grammar skills. Plus, it helps them build vocabulary retention and reading comprehension. You can try out 40+ free online spelling games which come with pre-populated word lists. They also offer a premium membership that gives your child access to all of Vocabulary Spelling City’s games with customized lists, homework practice, and more.



Vocabulary Spelling City

We believe coding should be fun, interactive and enjoyable. So, we used fun teen conversations along with game-like challenges to teach programming concepts enjoyably.Our fun visuals and real-world examples will help you to retain the programming concepts 10 times longer. We’ve prepared a bunch of different programming courses forming a programming hub, where you can master any language you want. Surprise points, gifts, superpower badges, & coding games will make your learning very enjoyable. You won't just learn here, you'll play games and learn. Our mission is to provide teens, adults and coding for kids with fun.

Programming Hero

An incredible English & Korean learning app used by 100 million people worldwide. Master your English & Korean using free videos and audio content updated daily! We currently only support English for learning Korean. But don't worry! More languages will be added soon! You can learn real English expressions selected by English experts. Practice your speaking and revise what you learned with quizzes. Practice and repetition will make memorizing the expressions simple! Continuous learning with Cake will definitely help improve your English & Korean skills. 

Cake App

Kern Type is a unique game that you are sure to get hooked on straight away. In this game, the objective is to move the letters into the proper kerning (spacing). Your task is to determine which letters are out of place and rearrange them to fit perfectly.

Kern Type

The Bezier game is a great choice in online games for designers when looking for graphic design games online. This game teaches you how to use the pen tool to create shapes and design objects. It’s a need-to-know tool for photo manipulation and digital painting, perfect for learning graphic design basics.

The Bezier Game

Improving your vocabulary has numerous benefits. You can communicate ideas more effectively, understand more of what you read, and even tell stories more humorously.

Vocabulary Builder

Designed for kids ages 5-9, codeSpark Academy with the Foos is an educational game that makes it fun to learn the basics of computer programming.

codeSpark

Start as a beginner and get to a fluent level in Chinese, with the best of technology and gamification to learn Chinese.

Ninchanese

Real progress happens in a few minutes, and it has its own tricks to get you to memorise words and understand them.

Memrise

With Mimo, you can learn coding and programming (in Python, JavaScript, HTML, etc.) - the skills of the century, a few minutes at a time.

Learn Coding/Programming

Simply Sing tailors your favorite songs to your unique voice. Start singing the songs you know and love with scrolling lyrics and vocals.

Simply Sing

The perfect starter to learning programming logic. Logic Growth mode enables you to learn coding logic using fill-in-the-blanks. 

Coding Dojo

Created with the help and input of educators and tested in schools, this game succeeds in teaching not only the basics of programming but also boosts logical thinking, problem solving, patience, persistence and self-confidence.

Code Adventures

Tynker is the fun way to learn programming and develop problem-solving & critical thinking skills.

Tynker

Tiny Courses offers lessons by experts to answer any of your child's specific needs, interests, or wants - at any level.

Tiny Courses

Portals Dance makes practice fun & effective, with a unique and powerful method, the software for dancers, a dance coach, and a step-by-step learning system.

Portals Dance

With Algebra Tutor, you learn by doing! The course is designed to help you develop mastery and gain a deeper understanding of topics ranging from number practice to building, simplifying, and manipulating algebraic expressions, using formulae, and solving equations - including simultaneous equations.

Algebra Tutor

Students can practice each of these math problem types in three different exercise categories, for a total of 15 different types of exercise to choose from. In addition, you'll find 30 word problems that focus on addition and subtraction.

Let's do the Math

 Listen to pre-recorded words and phrases for enhanced pronunciation. Practice spelling, speech and sentence building. Motivational educational methods and smart AI tools for learning and pronunciation have enabled Lingio’s course participants to perform 12 times better on average compared to students that use other industry products.

Lingio

Language on the go, is an educational tool designed to teach refugees English or the host country language of the following countries of the organisations which developed the app. Lango connects you with our AI robot to chat with for free! With every session, you will feel more confident, positive and uplifted.

Lango

QuickLearnr uses specially-developed natural language processing (NLP) technology and research-based techniques to help you improve your pronunciation. The social game for language learning with clever voice recognition.The most fun you’ll have learning words and improving pronunciation.  

QuickLearnr

Tired of boring textbooks? FluentU brings language learning to life with real-world videos. Learn a language with music videos, movie trailers, news, and inspiring talks. FluentU turns fun videos into amazing language learning experiences. FluentU turns fun videos into amazing language learning experiences.

FluentU

The best way to learn a foreign language is to immerse yourself in it by visiting the country, listening and talking to the native speakers and this application does its best to replicate that experience.

Lingwing

Translate texts from a language you know to a language you are learning while waiting at the dentist. Write dictated texts while you are using public transportation and a bunch of more interactive fun ways to learn languages

Qlango

Learning a new language has never been easier than with the new Rosetta Stone. The award-winning language solution combines proven learning methods with its proprietary speech recognition technology. It improves learning efficiency and speed.

Rosetta Stone

Improve your English, Spanish, French, German or Italian skills with EWA! Our unique teaching methodology consists of topic-based online courses to boost grammar, movie & tv show snippets to improve speaking & reading abilities, and bestselling books with audio to drastically increase vocabulary.

Spark success with 1200+ fun, interactive activities! Academics and modern life skills come together in the Lingokids universe, where kids can explore exciting adventures in learning to help them thrive in today’s changing world. Explore 1200+ learning activities with more 650+ objectives across subjects—including math, reading and literacy, science, engineering, technology, art, music, and more. 

Lingokids

Play Squla's fun educational quizzes on your mobile phone. Squla members can easily log in with their own Squla-account. See you progress in your personal report and collect coins for in game rewards or real life presents.

Squla

Write It! Korean is the first writing recognition app for Korean! Try our writing recognition and you'll never want to go back to tracing apps. Hassle-free writing. Never get stuck or have to go back and reference how to write a character. Bite-sized lessons allow you to learn conveniently, even if you only have a few minutes.

Write It! Korean

If you want to learn a language to speak with your peers—be them friends, coworkers, or neighbors—while traveling, studying, or living abroad, you will enjoy studying with Speakly. Speakly combines science and computational algorithms to teach you the 4,000 most statistically relevant words of your target language in order of their importance.

Speakly

With the reading and comprehension app Wordplay, kids will strengthen their vocabulary in a fun and playful way! For the kids, Wordplay it’s all games and fun. Its objective is to improve children’s reading comprehension-, listening skills and working memory.

Mussila Wordplay

Learn Japanese for free in English with the kawaiiNihongo. kawaiiNihongo helps you to learn Japanese faster and read and write Hiragana, Katakana and Kanji with cute flashcards, learning games, and mnemonics learning techniques. kawaiiNihongo is perfect for beginners who want to learn to read and write Japanese

kawaiiNihongo

Study geometry while playing on squared paper. Pythagorea is a collection of geometric puzzles of different kind that can be solved without complex constructions or calculations. All objects are drawn on a grid whose cells are squares. A lot of levels can be solved using just your geometric intuition or by finding natural laws, regularity, and symmetry.

Pythagorea

Kids learn best through stories. Encantos uses curriculum-infused storytelling experiences as a tool to teach kids the new fundamentals they need to thrive. Storyteaching engages and inspires kids to think on their feet, to connect with kids from backgrounds different than their own, to be curious and creative.

Encantos

Influent is a Language Learning Game focused on vocabulary acquisition and pronunciation that gives players the freedom to choose the words they want to learn without the need for pencils or books!

Influent

Sharpen your vocab and pronunciation skills

Math Makers teaches kids math topics such as counting, place value, fractions, multiplication, division and more. Math Makers uses gaming to change children’s intuitions about difficult concepts like place value, fractions, addition, subtraction, equality, and so much more. It’s the only game where mathematical problem solving is baked into the gameplay.

Math Makers

Super Robot Bros is an educational and fun game to learn the basics of programming and develop logic. Discover concepts such as sequencing, actions, loops, conditionals or events. Play and learn as you unlock levels and incorporate new elements to develop your logical thinking while collecting coins, opening chests and avoiding being caught by your enemies: jump on top of the turtle, make sure that the carnivorous plant doesn't appear and dodge the projectiles as you advance towards the flag.

Super Robot Bros

Learn the basics of programming and develop logic

Sloth World is the perfect children's app for parents who want to offer the best quality in their children's time on screen.This is a space where the child can have fun with autonomy and protagonism, in addition to stimulating critical thinking.In Sloth World - Play and Learn! users are the protagonists of that moment, they have access to content suitable for their age group and they will be safe in an environment without ads or social networks

Sloth World

Entertain and develop children aged 3 to 6 years

The fun, effective and proven to learn a language! With our free mobile app or web and a few minutes a day, everyone can Duolingo. Learn 30+ languages online with bite-size lessons based on science.

Duolingo

Play engaging quiz-based games (kahoots) at school, at home and at work, create your own kahoots and learn something new! Kahoot! brings the magic of learning for students, teachers, office superheroes, trivia fans and lifelong learners.

Kahoot!

Quizizz is a gamification platform intended for student and employee engagement. The system comes with quizing and polling features that be be viewed in real-time along with other interactive communication methods such as live video, live chat, and image sharing. Additionally, Quizizz comes with helpful learning tools such as flash cards, practice tests, and question hints that can be assigned directly through the administration portal

Quizizz

A online platform that teaches software development and coding. Codecademy Go helps you review and practice what you learn on the web, anywhere, anytime. Learn to code the easy way.

Codeacademy Go

Rocksmith teaches you how to play guitar. It’s like Guitar Hero except you plug in any real guitar and play along using the actual strings. So you actually learn to play a guitar, not a plastic five buttoned controller. 

Rocksmith

WeDo® 2.0 makes coding a reality for elementary students. Using LEGO® bricks, easy-to-use software and engaging STEM projects, teachers have all they need to teach their students simple programming skills. 

WeDo 2.0

Haven’t we all started learning a new instrument, only to quit sometime around the “hot cross buns” stage? Yousician is like an educational Guitar Hero. The app listens with your device’s microphone while you play an instrument or sing, and it’s a fun and easy way to learn techniques, practice new songs, and put your skills to the test without expensive music lessons

Yousician

Algo Bot is puzzle game that takes place deep inside the Europa, a pan-galactic colonisation ship, where a recycling mission goes horribly wrong. Use your algorithm special skills to command Algo Bot, a service droid, and help PAL, a cantankerous line manager, to contain the crisis.

Algo Bot

CodeCombat is an HTML5 role-playing game (RPG) that teaches you fundamental programming concepts. In CodeCombat, you play a hero adventuring through the game’s levels. The first level is Kithard Dungeon, which covers basic programming concepts. You’re faced with coding challenges throughout your journey, and if you overcome them, you’ll unlock the next level and earn experience points (XP) that you can use to improve your hero.

CodeCombat

Code Hunt is a Sci-Fi-themed HTML5 game that teaches coding and was developed by Microsoft Research. In this game, you play as a code hunter tasked with repairing code so that it returns the expected result. There are 14 levels, called Sectors in the Code Hunt nomenclature, for you to complete. Code Hunt supports either Java or C#. Programming concepts you’ll learn include arithmetic, loops, and conditional expressions. Teachers who would like to extend the game with additional Sectors can do so by first reading the Code Hunt Designer Manual.

Code Hunt

Want to learn how to type faster? Get those fingers flying across the keyboard with Nitro type. Boost your typing speed (WPM) and increase accuracy while hunting zombies, popping balloons, and saving your spaceship from foreign objects. Typing practice for kids and adults has never been more fun! 

Nitro Type

Ruby Warrior is a fun coding game that involves writing Ruby code to move your Knight through several levels. It is a great way to learn the programming language which has many applications such as data analysis, prototyping, building web applications, and proof of concepts.

Ruby Warrior

This is a middle school math game aligned with the common core and TEKS curricula. Your child will be tasked with helping Alfred, an inventor, save Mathlantis —  a chaotic and disordered world — by restoring the population’s math knowledge. On this adventure, they’ll time-travel and meet famous mathematicians, help them regain their lost knowledge, and transform Mathlantis back to its original state.

Buzzmath

Embark on a journey into the world of art, creativity, and visual learning with your personal Art Guides: Tickles, Furnace, and Ruby! It also has engaging “Creativity Builders” art projects designed to foster creativity, encourage problem solving, and enhance critical thinking skills. Each lesson is aligned to Creativity Express, a multi-award winning visual arts curriculum that professional educators and former Disney animators created!

Start with Art!

As outlined on HOMER’s website, their “mission is to provide the best educational start possible by offering personalized, fun, and proven learning products for children.”  This early learning program has two products: Reading and Stories. HOMER Reading combines a child’s current reading level and their passions, in order to create a personalized learn-to-read plan. Using that child’s same interests, HOMER Stories curates stories they’ll love — from classic to contemporary.

HOMER

Quiz your English is an app for studying English vocabulary and grammar through taking quizzes and competing with learners from all over the world. It is suitable for learners who already know English at B1–C1 level.

Quiz Your English

Welcome to Grasshopper, the coding app for beginners. Grasshopper is the best way to start your coding adventure with fun, quick games on your phone that teach you to write real JavaScript. Move through progressively challenging levels as you develop your abilities, then graduate with fundamental programming skills for your next step as a coder.

Grasshopper

BYJU'S is an innovative global edtech leader at the intersection of content, media and technology that is focused on bringing the future of education to the present through technology-enabled, personalized and engaging learning journeys

Byju's

BitDegree is the world's first blockchain-powered, smart-incentive based online education platform which will revolutionize global education and tech recruiting. BitDegree shall directly align the incentives of students and anyone who wants them to become digitally smarter - like current or potential employers, digital service providers and sponsors. BitDegree is an educational platform for everyone who is willing to study and get IT job

BitDegree

When learning to code, most people get stuck on the bridge between memorizing syntax and understanding the logic that makes it all work. We believe the most effective way to learn a programming language is to break the process into three phases: Memorize syntax, Solve problems, Make stuff.

Edabit

Socrative features a game called “Space Race,” which involves students racing spaceships across the screen by answering questions correctly. Students can compete individually or in groups, and you have the option to customize the spaceship icons.

Socrative

In order to complete missions, students must answer questions successfully. You can choose from a bank of over 20,000 questions or create your own. When students perform well, they earn currency that can be used to customize their avatars in the game.

Play Brighter

Coding and programming app to learn to code with HTML, Javascript, C, C++, C#, Swift, Python, R Programming, Java, Artificial Intelligence, CSS, etc. for free with a one-stop app - “Programming Hub: Learn to code”. This coding and programming app is created using research and in collaboration with Google experts and offers a perfect path to learn programming. You will learn to code like an expert, and also enjoy it like a game. It's easy, it's fast and it's fun!

Programming Hub

Coding games for beginners and advanced programmers where you can improve your coding skills by solving engaging challenges and fun task using Python and TypeScript.

CheckIO

CSS Diner is a very nice place to let you learn CSS very fast. Simply just complete all 32 challenges and make sure you understand the intuition. If you get stuck, read below and again make sure you understand the intuition.

CSS Diner

The new way to improve your programming skills while having fun and getting noticed

CodinGame

Improve your Programming and Coding Skills

This is a game of programming! Your task is to program the movement of elevators, by writing a program in JavaScript. The goal is to transport people in an efficient manner. Depending on how well you do it, you can progress through the ever more difficult challenges. Only the very best programs will be able to complete all the challenges.

Elevator Saga

It's a puzzle game for practicing and memorizing VIM commands (good old VI is also covered, of course). It's an easy way to learn VIM without a steep learning curve. You play a blinking cursor appearing one day in a semi text based world of Textland inhabited by little people but ruled by bugs.

Vim Adventures

Swift Playgrounds is a revolutionary app for iPad and Mac that makes it fun to learn and experiment with Swift — a powerful programming language created by Apple and used by the pros to build today’s most popular apps. Swift Playgrounds requires no coding knowledge, so it’s perfect for students just starting out. Solve puzzles to master the basics. Then step up to learn the building blocks of apps with interactive walkthroughs designed by Apple. Have fun creating your very own real-life apps.

Swift Playground

CodeMonkey is an AWARD-WINNING online platform that teaches kids real coding languages like CoffeeScript and Python  . Children and teenagers learn block-based and text-based coding through an engaging game-like environment. Millions of CodeMonkey's students are now excited about coding! CodeMonkey does not require prior coding experience to teach and is designed for schools, clubs, and home use.

Code Monkey

Codesters combines a fun online coding platform for students, a powerful learning management system for teachers, and built-out coding lessons so you can start teaching kids to code in your school today.

Codesters Basketball

keelearning is the user-friendly learning app based on the keelearning LMS. The keelearning app offers you mobile learning fun - from anywhere and at any time.

Keelearning

In Code World you control the robot that can walk around the world and send messages to devices. Every device reacts on those messages according to its code. You will have to read this code, understand what messages to send and write your own code.

Code world

Marvellous Inc. is a zachlike coding puzzle open-source game. Take the role of a freshly hired employee at the Marvellous Incorporated (aka MarvInc) as one of their first Robot Testers, coders tasked with exploring the true potentials of MarvInc's newest product: robots capable of complex tasks and promise to revolutionize the world. Code your way through puzzles, meet fellow researchers, and uncover the secrets behind MarvInc's ultimate goals. Learn how to code from scratch, whether you're an experienced developer or someone who's never had contact with programming before. Interact with other characters and advance the plot through an internal e-mail inbox. Make decisions and decide the fate of MarvInc through your actions.

Marvellous Inc

Move Code Lines is a game where you fix programs and make them print needed output. But the only way you can achieve that is to change the order of lines in those programs, and set custom input.

Move Code Lines

MHRD is a hardware design game, in which you design various hardware circuits in a hardware description language. The hardware circuits you design get more complex as you go until you create a fully functional CPU design.

MHRD

functional is a puzzle game about math and abstraction. Solve problems and reuse your solutions to write ever-more-complex logic. Start with the simplest mathematical primitives. Everything is a function, and functions can be used to build everything else. Use your previous solutions as black boxes, and use them as building blocks to build more complex solutions.

Functional

You play the game as a single bit of computer memory. You can invade other bytes around you and thus modify their values. With ability to XOR into adjacent bytes, you can navigate your way through existing data in the memory. The game automatically marks the bytes you cannot go through without getting yourself overwritten and prevents you entering those. Both binary and ASCII views are available, which you can utilize to find an open path for a particular puzzle.

Mental Math Practice

About this app

Game type

Paid app

Mobile

2016

Ratings and reviews

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Codewars

Mathly

CK12

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Mental Math Practice: Improves math solving speed