SumXMinus – Negative Math

SumXMinus – Negative Math

by Katsuhiko Yao

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Free
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Details

  • Released
  • Updated
  • April 8, 2024
  • June 23, 2026

Features

SumXMinus – Negative Math screenshot #1 for iPhone
SumXMinus – Negative Math screenshot #2 for iPhone
SumXMinus – Negative Math screenshot #3 for iPhone
SumXMinus – Negative Math screenshot #4 for iPhone
SumXMinus – Negative Math screenshot #5 for iPhone
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About

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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What's New in SumXMinus

2.1.1

June 23, 2026

Improved the Result View layout on certain tablet devices, including the iPad Air 11-inch. * Fixed layout issues on the result screen * Improved visibility of scores and buttons * Enhanced overall user experience

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