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Mental arithmetic apps

Practice doing arithmetic calculations without a calculator. Look for practice by operation and number range, and check whether you can review missed answers without a timer running.

Mathemagics: Mental Math

Learn mental math shortcuts through guided examples and practice across multiplication, division, and number patterns.

Mental Math Games: Numbio

Practice mental arithmetic with short games, adaptive difficulty, daily streaks, and custom training plans.

Arithmetic is an offline mental-math trainer for addition, subtraction, multiplication, and division. Users can set number ranges and session length, study operation tables, and review per-problem history and statistics. The developer says there are no ads or accounts and that data stays on-device; current pricing is not specified.

King of Math

Practice middle-school-level mental math through a fast-paced game with varied question types, achievements, and leaderboards.

A useful drill gives you enough repetition to recognize patterns and enough feedback to understand missed answers.

How to choose

Try your weakest operation and check whether you can adjust the range and pace independently.

Frequently asked questions

Can I practice without a countdown?