mental math
Calculating without paper
Mental math is arithmetic done in your head without writing anything down or using a calculator.
It typically involves addition, subtraction, multiplication, and division, though skilled practitioners can handle more complex operations.
Schools teach mental math strategies like breaking numbers into easier parts or rounding and adjusting.
She did the mental math and figured out the tip in seconds.
- number senseIntuition about quantities
- fractionsParts expressed numerically
- calculationMathematical problem-solving process
- numeracyAbility with figures
- shortcutsQuicker methods or paths
in your head · visualization · estimation · splitting the bill · tip calculator · addition · multiplication · logical reasoning · division · carrying over · computation · percentages · pattern recognition · currency conversion · square roots · problem-solving · arithmetic · flashcards
- Math Mistakeslong division, rounding errors, order of operations, equation solving
- number puzzlessudoku, number puzzle, number sequence, magic square, arithmetic puzzle
- number sensenumber sense, counting, numeracy, number recognition, number line
- mental mathestimation, guesstimate, ballpark, rounding, shortcuts
- arithmeticaddition, subtraction, multiplication, division, sum
- mathaddition, subtraction, multiplication, division, algebra