Mnemonics for Arithmetic

A wide variety of mnemonic devices to make studying math easier!

ARITHMETIC

  Mnemonic Device: A Rat In The House May Eat Tom’s Ice Cream A Rat In The House May Eat The Ice Cream Explanation: The first letter of each word spells
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The alligators always want to eat the most they can. They always eat the bigger number.

Mnemonic Device: < is an arrow pointing to the LEFT (LESS THAN). > is an alligator’s mouth opening to the larger food (GREATER THAN). Explanation: 3 < 4 The arrow
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May I have a large container of coffee?

Mnemonic Device: How I need a drink, alcoholic in nature, after the tough chapters involving quantum mechanics How I need a drink, alcoholic of course, after the heavy chapters involving
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We require a mnemonic to remember e whenever we scribble math. To express e, remember to memorize a sentence to simplify this

  e = 2.7182818284 Mnemonic Device: 2 = We 7 = require 1 = a 8 = mnemonic 2 = to 8 = remember 1 = e 8 = whenever
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SOH-CAH-TOA

  Mnemonic Device: SOH-CAH-TOA Explanation: pronounced “soak a toe-uh” SOH: Sine = Opposite leg divided by the Hypotenuse CAH: Cosine = Adjacent leg divided by the Hypotenuse TOA: Tangent = Opposite
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Please Excuse My Dear Aunt Sally

  Mnemonic Device: Please Excuse My Dear Aunt Sally Peanuts Ended My Doughnut Addiction Saturday People Everywhere Must Devour Additional Seafood Paul’s Energetic Monkey Danced And Sang Please Eat McDonald’s
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The Rule of Nines – Multiplication

Mnemonic Device: 9 x 3 = 27 (2 + 7 = 9) Explanation: Between one times nine and nine times nine, the numbers in the result always add up to nine!
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Does McDonald’s Sell CheeseBurgers and Shakes? (DMSCBS)

  Mnemonic Device: Does McDonald’s Sell CheeseBurgers and Shakes? Explanation: to learn the order of the algorithm of a long division problem. DMSCBS stands for Divide, Multiply, Subtract, Check that the
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Mean, M-E-A-N, Add the numbers, then, Count the numbers and divide, Mean, M-E-A-N.

  Mnemonic Device: Mean, M-E-A-N, Add the numbers, then, Count the numbers and divide, Mean, M-E-A-N. Explanation: to remember how to find the mean, or average of a group of numbers,
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8 times 8 fell on the floor, pick it up and it’s 64

  Mnemonic Device: 8 times 8 fell on the floor, pick it up and it’s 64. I ate and ate until I was sick on the floor. 8 x 8
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