# Neg Multiply – Brain Training

> Train neg multiplication fast

Canonical page: [https://chrome-stats.com/d/id6450744705](https://chrome-stats.com/d/id6450744705)

## Overview

- **ID:** `id6450744705`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** Katsuhiko Yao
- **Category:** Education
- **Version:** 2.0.3
- **Last updated:** 2026-06-23
- **First published:** 2023-07-19
- **Size:** 32 MB
- **Data as of:** 2026-09-22
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/neg-multiply-brain-training/id6450744705)
- **Website:** [https://vitoyaokatsukatsu.com](https://vitoyaokatsukatsu.com/)
- **Privacy policy:** [https://github.com/vitoyaokatsu/AddToX](https://github.com/vitoyaokatsu/AddToX)

## Description

Master negative multiplication in just 1 minute a day
Train your brain with fast and addictive math challenges
Find the right pairs and hit the target number!

A math training app developed by a professional teacher

QuickMath Series

Boost your calculation skills and logical thinking
in just a short time

Math × Brain Training Series

Find number pairs
and reach the target value!

In this app, you can train multiplication
using negative numbers.

For example:

(−2) × (−4) = 8
(−4) × (+5) = −20

Find the correct pairs
from combinations of positive and negative numbers
to match the target value.

Learn while playing:

• Understand negative numbers
• Improve mental math skills
• Increase calculation speed

Suitable for a wide range of learners,
from advanced elementary students
to middle school math practice.

QuickMath Series

• SumX – number pair puzzle
• SumXMinus – negative number training
• Common Divisor – divisor brain training
• Exponent – power calculation challenge

## Rankings

- #1,123,277 — Overall

## Similar extensions and apps

- [SumXMinus – Negative Math](https://chrome-stats.com/d/id6480327347)
- [Make 10 - Mental Math](https://chrome-stats.com/d/id6477751967)
- [FastMath - Quick Multiply](https://chrome-stats.com/d/id6471482500)
- [Mental Math Games & Practice](https://chrome-stats.com/d/id1193006281) — 4.70 / 5
- [Mental Math Games: Numbio](https://chrome-stats.com/d/id1551025256) — 4.70 / 5
- [Math Match: Mental Math Puzzle](https://chrome-stats.com/d/id6759073521)
- [Math Trainer: Brain Games](https://chrome-stats.com/d/id6762796704)
- [Multiplication Math Games](https://chrome-stats.com/d/id6478630713) — 5.00 / 5
- [Multiply it - Times Tables](https://chrome-stats.com/d/id6753923646)
- [Numtalist: Mental Math Trainer](https://chrome-stats.com/d/id6760303790)
- [Math Genius+](https://chrome-stats.com/d/id6751806578)
- [Numina – Learn Mental Math](https://chrome-stats.com/d/id6761914306)

---

Source: [Chrome-Stats](https://chrome-stats.com/d/id6450744705)