A collection of math mnemonics - songs, memory aids, some useful and some simply trivia, for various math facts and figures, arranged by major subjects: numbers, arithmetic, pre-algebra, algebra, geometry and trigonometry.

Number Mnemonics for Kids

Geometry
In this lesson, we will have mnemonics and songs to help you remember
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Mental Math and Math Tricks

You can use the free Mathway widget below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.

Number Mnemonics for Kids

- how to write numbers from 0 to 10
- number of days in each month
- multiply by 9
- dividend, divisor and quotient

- how to spell the word ARITHMETIC
- the arithmetic properties - Commutative, Associative, Distributive and Identity
- which is numerator and which is denominator
- how to multiply, divide, add and subtract fractions
- how to do long division
- how to convert feet to miles
- the greater than and less than symbols
- the prefixes of metric units
- mean, median and mode
- how to multiply signed numbers
- the order of operations (PEMDAS)
- place value and decimals
- roman numerals
- the relationship between speed, distance and time

- the Simple Interest formula
- the distance formula
- the speed, distance, time and the acceleration formulas
- the slope-intercept form of linear equation
- how to multiply binomials - FOIL
- a word problem solving strategy
- the quadratic formula

- geometry terms
- the value of pi
**(π)** - the formulas for the area and circumference of a circle
- the types of triangles: equilateral, isosceles, scalene, right
- types of angles - acute, right, straight, obtuse, reflex, full rotation
- complementary and supplementary angles
- angle properties
- perimeter and area
- area formulas

- trigonometric ratios for right triangles - SOHCAHTOA
- reciprocal trigonometric functions - cosecant, secant, cotangent
- the signs of trigonometric ratios for each quadrant - ASTC or CAST
- the values on the unit circle

Mental MathAddition | Mental MathMoney, Tipping and Percentage |

Mental MathSquaring Numbers | Learn Math Table for 2, 6,4, 7, 9 using patterns |

Mental MathEasy way to multiply numbers between 10 and 20 | Math TrickMultiplying 2-digit numbers |

Math TrickMultiply by 11 or 25 | Math TrickMultiply by 75, 101 or 111 |

Math TrickRemember the Unit Circle | Math TrickRemember the Trig Ratio of Special Angles |

"Read Your Mind" Math Tricks | The Sum Trick and Magic Square |

Math Card Tricks | Mental Math Worksheets |

Rotate to landscape screen format on a mobile phone or small tablet to use the **Mathway** widget, a free math problem solver that **answers your questions with step-by-step explanations**.

You can use the free Mathway widget below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.

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