Calculate and practice double-digit
Learn techniques for double-digit numbers using step-by-step methods. Perform calculations with visual breakdowns. Practice exercises to improve speed and accuracy. Track progress and review solutions for each problem.
Showing 1–20 of 1,000 ranked alternatives.
Yasuyoshi Ota
Calculate and practice double-
Learn techniques for double- numbers. Use step-by-step methods to calculate products. Practice breaking down numbers into parts for faster calculations. View detailed examples and follow structured problem-solving approaches.
Babbel GmbH
Learn languages with interactive lessons
Learn languages through short, interactive lessons designed by experts. Practice speaking, listening, and grammar with structured exercises. Track progress with quizzes and receive feedback. Set goals and review lessons on multiple devices.
Staple Games, LLC
Play and solve puzzles
Solve puzzles by filling 9×9 grids with digits 1-9. Choose from four difficulty levels. Store notes for possible numbers. Use hints to fill missing digits. Complete daily challenges. Clear grids when all numbers are placed.
Opitas Inc.
Solve Rubik's in 21 moves
Follow visual step-by-step guides to solve a Rubik's in under three minutes. Learn 21 efficient moves to complete the . Track progress and practice solving techniques to improve speed and accuracy.
Speakeasy Labs, Inc
Practice speaking with AI feedback
Practice speaking with AI-powered conversation exercises and instant feedback. Learn vocabulary and grammar through interactive lessons. Choose from languages like Spanish, English, French, Italian, Japanese, or Korean.
Kirill Dyakonov
Solve tasks to boost focus and speed
Improve focus, reaction speed, and mental agility through timed arithmetic exercises. Track progress with performance metrics. Adjust difficulty levels to challenge users. Sync results across devices for consistent practice.
Brilliant Worldwide, Inc
Math and computer science concepts
Math and computer science through interactive lessons and personalized practice. Explore concepts visually, solve problems step-by-step, and receive instant feedback. Track progress and set learning goals to improve STEM skills.
DigitAlchemy LLC
Calculate fractions, add, subtract, divide, multiply, convert
Calculate fractions with addition, subtraction, multiplication, and division. Convert fractions to decimals. Adjust recipe quantities for different serving sizes. Review math problems and convert measurements between cups and teaspoons.
Luli Languages LLC
Japanese with writing, vocabulary, and quizzes
Japanese with writing lessons covering and Katakana. Study vocabulary and grammar through structured lessons. Take spaced repetition quizzes for review. Practice translation between English and Japanese. Listen to audio for pronunciation.
STEEZY Inc
Steps and track progress
Routines step-by-step with video lessons and instructor guidance. Adjust pacing to fit personal progress. Access choreography breakdowns and practice tracks. Track performance and receive feedback from instructors.
PRIVET LIMITED LLC
Play and learn skills
Teaches through interactive . Includes problems aligned with first, second, and third grade curricula. Features original artwork and progress tracking. Allows users to select difficulty levels and track completion.
Appslux Media Limited
Snap problems, get answers, see steps
Take photos of problems or input equations to get instant solutions. View step-by-step explanations to understand solving methods. Correct answers and detailed breakdowns are provided for homework assistance.
3Mb Solutions, INC
Practice and division with games
Learn and division tables from 2 to 20. Practice problems in sequential or random order. Track progress with visual indicators. Set goals and receive feedback on accuracy. Share results with parents or teachers.
StudyPad, Inc.
Practice with interactive games
Teaches through interactive games and activities. Allows kids to practice facts with quizzes and challenges. Tracks progress and provides instant feedback. Includes animated characters and rewards to encourage learning.
Yannis RICHARD
Read music and complete exercises
Learn to read music through 32 step-by-step lessons that introduce gradually. Practice reading in treble, bass, or both clefs. Complete exercises to reinforce note recognition and progress through levels.
Simple Machine, LLC
Solve puzzles with a
Solve puzzles by performing math operations on a . Navigate through levels to defeat the Clicky virus. Use a to convert numbers to letters and interact with portals. Track progress and complete challenges.
Boy Howdy Technology LLC
Play cards and match pairs
Tap cards to find matching pairs and remove them from the board. Clear the board in the fewest taps possible. Choose from seven difficulty modes including new Very Easy (3x3). Use hundreds of emoji images. Play endless levels without a timer.
Kahoot ASA
Practice with and challenges
Learn through interactive and challenges. Solve puzzles to build math skills. Track progress and earn rewards. Practice with various levels and themes. Sync across devices for continued learning.
ManoMaya
And scales
Using a color-coded system to simplify learning. Practice with instant feedback to improve accuracy. Track progress and access lesson tutorials for beginners and intermediate players.
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