Tests with purpose
Take a 60-second daily challenge, focused sprints, marathons, and operation-specific runs.
Daily practice · Clear techniques · Always free
Mental Math
Train faster, more confident arithmetic with focused challenges—and learn the techniques that make the answers click.
Built for the job
Practice the speed. Understand the method.
Build number sense through short challenges, customizable drills, and worked techniques.
A flexible trainer
Choose operations, number types, and difficulty so practice fits the skill you are building.
Techniques explained
Learn mental-math shortcuts through step-by-step walkthroughs and worked examples.
Progress over time
Track accuracy, best runs, and daily streaks without a paid tier or locked content.
The whole trainer is the product.
No ads, no Pro tier, no accounts, and no locked lesson library. Mental Math is currently in review for the App Store.