SumXMinus – Negative Math

Train math with negatives

Only for iPhone

Free · Designed for iPhone

iPhone

Created by a Math Teacher Train your brain in just 30 seconds. QuickMath Series A fast and fun way to master mental math. Can you find the right number pairs? Use both positive and negative numbers to reach the target. Example: (-2) + (-4) = -6 (-4) + (+5) = 1 Challenge yourself and improve: • Negative number understanding • Mental calculation speed • Focus and thinking skills From upper elementary to middle school level. QuickMath Series • SumX – Number Pair Puzzle • SumXMinus – Negative Number Training • Common Divisor – Divisor Brain Training • Exponent – Power Calculation Challenge • Decimal Finder – Number Line Intuition

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Big update to the result screen! • Share your score Challenge your friends! • Miles display improved Track your rewards easily • Smoother ranking submission Faster and easier Train your brain and beat your best score

The developer, Katsuhiko Yao, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Used to Track You

    The following data may be used to track you across apps and websites owned by other companies:

    • Location
    • Identifiers
  • Data Linked to You

    The following data may be collected and linked to your identity:

    • Location
    • Identifiers
  • Data Not Linked to You

    The following data may be collected but it is not linked to your identity:

    • Usage Data
    • Diagnostics

Privacy practices may vary based, for example, on the features you use or your age. Learn More

The developer has not yet indicated which accessibility features this app supports. Learn More

  • Provider
    • Katsuhiko Yao
  • Size
    • 31.7 MB
  • Category
    • Education
  • Compatibility
    Requires iOS 16.0 or later.
    • iPhone
      Requires iOS 16.0 or later.
    • Mac
      Requires macOS 13.0 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.0 or later.
  • Languages
    • English and Japanese
  • Age Rating
    4+
  • Copyright
    • © Katsuhiko Yao