KEMIplay - MathWorld

Content rating
Everyone
1+
Downloads
Teacher Approved
Content rating
Everyone
Learn more
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About this game

Turn math practice into an adventure with KEMIplay – MathWorld.

Build and explore your own world, discover hidden vaults and complete varied math challenges designed for students in grades 1–9. Choose between the colorful Cloud world and the futuristic Space world, then learn by solving problems and using your skills to progress.

LEARN THROUGH PLAY

MathWorld combines curriculum-based practice with exploration, building and short interactive challenges. Activities cover a growing range of skills, including:

• Numbers and arithmetic
• Number lines and place value
• Fractions
• Sequences and ordering
• Measurement
• Area and geometry
• Data and graphs
• Mathematical reasoning
• Introductory programming and logical thinking

21 SUPPORTED CURRICULA

Choose a curriculum for Austria, Belgium, Canada, Switzerland, Germany, Denmark, Spain, Finland, France, Iceland, Italy, Japan, South Korea, the Netherlands, Norway, Poland, Portugal, Sweden, Singapore, the United Kingdom or the United States.

Learners who do not want to follow a specific national curriculum can use Dynamic mode to practice and refresh their math skills through a flexible selection of challenges.

A WORLD THAT GROWS WITH YOU

Complete challenges to earn rewards, unlock discoveries and develop your world. Different vaults use different styles of interaction, keeping practice varied instead of repeating the same type of exercise again and again.

MADE FOR FOCUSED LEARNING

• Suitable for grades 1–9
• Curriculum-based and Dynamic learning modes
• Cloud and Space themes
• Varied interactive math vaults
• No advertisements
• No in-app purchases
• A calm experience without distracting music or sound effects

FOR FAMILIES AND SCHOOLS

MathWorld can be used independently and also supports pairing with the optional KEMIplay Parent/Teacher Portal. Parents and teachers can follow learning progress and help select the appropriate curriculum and grade level.

Spend screen time building skills, solving challenges and exploring a world powered by math.
Explore math adventures across 21 curricula for students in grades 1 through 9.
Updated on
Jul 30, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • No data shared with third parties
    Learn more about how developers declare sharing
  • This app may collect these data types
    Personal info
  • Data is encrypted in transit
  • Data can’t be deleted
  • Committed to follow the Play Families Policy

What’s new

Welcome to MathWorld!

• Initial worldwide release
• Supports Grades 1–9
• 21 school curricula
• 110+ curriculum-based math concepts
• Dynamic Mode for curriculum-free practice
• Interactive educational Vaults
• Performance improvements and bug fixes