Mental math trainer

Learn Math
by Scrolling

Scrolling that makes you smarter. MathMe is a mental math trainer built like a feed.

  • 39topics
  • 1,334questions
  • 8languages
Swipe

Course

New: a mental math course

39 topics in 7 chapters — Numeration, Whole Numbers, Divisibility, Common Fractions, Decimals, Ratios and Proportions, Percentages — with 1,334 practice questions. Each topic teaches one trick.

  1. Numeration2 · Numeration
  2. Whole Numbers9 · Multiplying by 5 and 25
  3. Divisibility4 · Prime and Composite NumbersPro
  4. Common Fractions12 · The Concept of a Fraction
  5. Decimals5 · Reading and Writing Decimals. TransformationsPro
  6. Ratios, Proportions, and Proportional Division3 · Ratios. ScalePro
  7. Percentages4 · Percentages: Basic ConceptsPro
New: a mental math course

×25 is ×100 ÷ 4

  • To ×5, multiply by 10 and halve; ×25 is ×100 then ÷4; ×50 is ×100 then ÷2.
  • 64·25 is 64·100÷4. How much?
  • ×25 = ×100 ÷ 4: 6400÷4 = 1600.
Now try it yourself!

The starter topics are free. The full course is part of MathMe Pro.

Learn more: New: a mental math course

Swipe: your feed, but it’s math

A timer on every question, a swipe to get the next one. Difficulty is matched to your skill level.

  • 50/50Remove two incorrect answer options
  • ShieldProtection from next wrong answer

Learn more: Swipe: your feed, but it’s math

Swipe

Duel: 1 on 1 in real time

In Duel you create a room and send the code to a friend, join a room by code, or let the app find an opponent.

  • Join an open room in one tap or invite a friend by code.
  • 10 rounds, one winner.
  • Want to warm up first? Train against a bot — it does not affect your rating.

Learn more: Duel: 1 on 1 in real time

Duel

Modes

Free, with an optional subscription

With a 7-day free trial

MathMe is free to download and play. The free version shows ads and includes the starter topics of the course.

  • Full course: 39 topics · 7 chapters
  • No ads
  • Unlimited hints
  • 2× coins
  • Week
  • Month
  • Year

The price is shown in the app. Terms

Learn more: MathMe Pro

The 7-day free trial is for new MathMe Pro subscribers only, once per Apple ID or Google account; eligibility is determined by the App Store or Google Play. Unless cancelled at least 24 hours before the trial ends, the subscription renews automatically at the price shown in the app. Subscriptions are purchased in the app for iPhone, iPad and Android.

A habit that sticks

FAQ

Start with the free topics

Start without an account: Practice and Swipe work right away.

App Store Google Play

Learn more: Start with the free topics

  • Play in your browser

    Open app.math-me.com and sign in with Google or Apple. Your progress syncs across all devices.

    Open in browser
  • Also on iPad

    The same app from the App Store, laid out for the bigger screen.

Also on iPad
Get MathMe