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Start with the free Making 10 First lesson. Pro includes the full course: 14 core strategies and Mixed Review.
Mental math
Get faster with numbers!
Mental Math Pro is the best resource for learning to calculate in your head without a calculator. Build confidence with step-by-step strategies, focused practice, and a fresh challenge every day.
- Choose your settings and start practicing, no signup needed.
- Learn 14 core strategies, then drill them until they stick.
- Take the Daily Challenge and compare your score.
Quick practice
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8 + 7
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The problem
Most people quit mental math in school and reach for a calculator ever since.
Splitting a bill, checking a discount, sanity-checking a number in a meeting. It isn't that you're bad at numbers. Nobody showed you the methods, and nobody gave you five minutes a day to practice them.
Learn
A complete course of 14 strategies for real progress.
Every lesson shows you why a shortcut works, then gives you a focused drill. Start with the free foundation lesson, build through 14 core strategies, and finish with Mixed Review. The full course is included in Pro.
Explore the 14 strategiesFree
Making 10 FirstFoundation lesson
1
Adding 2-Digit Numbers
2
Adding 3-Digit Numbers
3
Adding 3-Digit and 4-Digit Numbers
4
Subtracting 2-Digit Numbers
14 core strategies total
Free foundation lesson
Making 10 First
Turn one number into 10, then add what remains.
8 + 7Move 2 from 7 to 810 + 5 = 15
Try the free lesson and its 25-question roundFree. Forever.
Customizable, free practice that keeps you moving.
Choose the operations and number ranges you want, get instant feedback, and build real speed. The next question appears automatically when you answer correctly.
Set up your practicePractice settings
Practice by skill
Choose a focused drill, or mix six operations in the practice tool. Times tables practice helps you recall multiplication facts.
Compete
Take today’s mental math challenge
Ten questions. The same set for everyone. Start free, then sign in at the end to save your official score. Publishing a nickname and score is your choice.
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Common questions about mental math
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Start a free practice round now, or explore the complete course of 14 core strategies.
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