# 초중 연산마스터 > From 1st grade elementary to 3rd grade middle school! Master unit-by-unit math operations in a fun, game-like way. Canonical page: [https://chrome-stats.com/d/com.kimsam.math\_master](https://chrome-stats.com/d/com.kimsam.math_master) ## Overview - **ID:** `com.kimsam.math_master` - **Platform:** Android - **Type:** Android app - **Status:** Available - **Publisher:** kimsam - **Category:** EDUCATION - **Downloads:** 99 - **Last updated:** 2026-08-03 - **First published:** 2026-07-12 - **Publisher country:** KR - **Data as of:** 2026-09-07 - **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.kimsam.math_master) - **Privacy policy:** [https://silxex.github.io/mathmaster-privacy/](https://silxex.github.io/mathmaster-privacy/) ## Description Elementary & Middle School Arithmetic Master — Grade- and Unit-based Math Learning Enjoyed Like a Game

★ All Units for Grades 1, 2, and 3 Free · Includes Academy Management Features

Repetition is key to math calculations. However, repetition can be boring. "Elementary & Middle School Arithmetic Master" is designed to allow you to solve problems broken down by grade and unit, just like a game, alongside a mascot.

■ Who Is This App For?

▶ Elementary and middle school students keeping up with school curriculum

▶ Parents who want to improve their children's calculation skills

▶ Academy teachers who want to see their students' learning progress at a glance

■ Key Learning Features

· 1:1 Personalization by Grade and Unit — From numbers up to 9 in Elementary to Quadratic Equations in Middle School, following the exact curriculum

· Concept Learning Mode — The mascot teaches you secrets (e.g., making 10) step-by-step, just like a 1:1 tutor

· 3 Difficulty Levels — Freely select Easy, Medium, or Hard

· Challenge Mode — Start over if you get it wrong 3 times! Concentration Burst Mode

· Time Attack — How many problems can you solve in 60 seconds? Break your personal best

· L1~L5 Level System — Your rank increases as you solve the same unit

· Automatic Error Review (SRS) — Incorrect questions are automatically re-presented at 1, 3, or 7-day intervals

· Error Note + Solution Explanation — Step-by-step explanations of why you got it wrong

■ Game-like Motivation

· Combo System — Points explode with every consecutive correct answer

· XP & Level — Character grows the more you solve problems

· Daily Missions — New challenges every day

· Attendance Streak — Counts consecutive study days; earn trophies on 7, 30, and 100 days

· Achievement Badges — Over 30 achievement badges

· Mini-games — Relax with Lightning Quiz, Whack-a-Mole, and Star Catching

· Character Shop — Purchase mascot emojis and backgrounds with XP

■ Management Tools for Academy & Private Tutors

· Recruit students using Academy Codes + Membership Approval System

· Teacher Dashboard — Student learning status, average correct answer rate, and login time

· Homework Assignment — Assign homework in bulk by specifying units and deadlines; completion status is automatic Check

· Automatic Weakness Diagnosis — Automatically extracts chapters with low average correct answer rates across the academy

· Batch Homework Assignment — Assigns weak chapters as academy-wide homework assignment all at once

· Weekly Report — Student learning statistics at a glance

· Student Removal and Approval Denial Tools

Academy licenses are subject to limits on the number of students per level and a validity period. For implementation inquiries, please contact silxex2@gmail.com.

**Check** ■ A Safe Environment for Parents

· Protection of children under 14 — Parental consent required

· No ads · No external messaging features

· Start by simply entering a nickname (No email or phone number collected)

· Data deletion requests can be made via email at any time

· All communications are encrypted via HTTPS

■ Free vs. Paid

· All units for Grades 1, 2, and 3 — Free for life

· Grades 4, 5, and 6 — In-app purchases (individual grades or full packages)

· Middle School Grades 1, 2, and 3 — In-app purchases

· Academy Subscribers — All grades automatically unlocked (when the academy director purchases a license)

■ Unit Structure (Partial)

[Elementary Grade 1] Numbers up to 9, Addition with a sum of up to 9, Subtraction of single digits, Numbers up to 50, Numbers up to 100, Reading time ...

[Elementary Grade 2] Addition with carrying, Subtraction with borrowing, Multiplication tables 1–9, Sum and difference of lengths ...

[Elementary [Grade 3] Three-digit addition and subtraction, division, two-digit × one-digit multiplication, fractions and decimals, time calculation ...

[Elementary Grades 4·5·6] Four basic operations with fractions, four basic operations with decimals, factors and multiples, ratios and proportions, perimeter and area of ​​shapes ...

[Middle School Grades 1·2·3] Integers and rational numbers, linear equations, linear functions, factorization, quadratic equations ...

■ Privacy Policy

https://silxex.github.io/mathmaster-privacy/

■ Inquiries / Academy Adoption / License Purchase

silxex2@gmail.com

Math gets faster the more you repeat it. Just 5 minutes a day, enjoy it like a game, and before you know it, you'll be a master of calculations. ## Rankings - #1,975,114 — Overall ## Similar extensions and apps - [けいさんマスター](https://chrome-stats.com/d/com.kumanote.keisancard) — 3 users - [초등수학퀴즈](https://chrome-stats.com/d/com.elementary.math.math_elementary) — 160 users - [楽しい 小学校 3年生 算数(算数ドリル) 学習アプリ](https://chrome-stats.com/d/com.tokyomanki.shougakusansansuu) — 216,423 users - [楽しい 小学校 1年生 算数(算数ドリル) 学習アプリ](https://chrome-stats.com/d/com.tokyomanki.shougakuichisansuu) — 358,574 users - [算数](https://chrome-stats.com/d/com.genkoritei.sansu) — 8 users - [楽しい 小学校 6年生 算数(算数ドリル) 学習アプリ](https://chrome-stats.com/d/com.tokyomanki.shougakurokusansuu) — 62,107 users - [楽しい 小学校 2年生 算数(算数ドリル) 学習アプリ](https://chrome-stats.com/d/com.tokyomanki.shougakunisansuu) — 272,945 users - [楽しい 小学校 5年生 算数(算数ドリル) 学習アプリ](https://chrome-stats.com/d/com.tokyomanki.shougakugosansuu) — 90,397 users - [Math Master](https://chrome-stats.com/d/fahim_edu.math_master) — 2,595 users - [My Math School](https://chrome-stats.com/d/com.tonysakariya.rocketmath.android) — 3,969 users - [Math for 1, 2, 3 Grades - pro](https://chrome-stats.com/d/ru.jaguardesign.menp) — 120 users - [Math Master: Learn & Practice](https://chrome-stats.com/d/com.software41.mathmaster) — 34 users --- Source: [Chrome-Stats](https://chrome-stats.com/d/com.kimsam.math_master)