Memory Tricks & Mnemonics
Established memory tricks for the facts students memorize most. Each one has a flashcard and a quick self-quiz, and links to the matching tool or cheat sheet.
PEMDAS
Please Excuse My Dear Aunt Sally
Remembers the order of operations
ELAi before e, except after c
i before e, except after c
Remembers how to spell many ie and ei words
MathMay I Have A Large Container Of Coffee
May I Have A Large Container Of Coffee
Remembers the first eight digits of pi
MathBODMAS
Brackets Orders Divide Multiply Add Subtract
Remembers the order of operations (uk form)
MathFOIL
First Outer Inner Last
Remembers how to multiply two binomials
MathKeep Change Flip
Keep Change Flip
Remembers how to divide fractions
MathKeep Change Change
Keep Change Change
Remembers how to subtract integers
MathDMSB
Dad Mom Sister Brother
Remembers the long-division steps
MathCherry Pie / Apple Pie
Cherry Pie's Delicious, Apple Pie's Are Too
Remembers the circle circumference and area formulas
MathI Value Xylophones Like Cows Dig Milk
I Value Xylophones Like Cows Dig Milk
Remembers roman numeral values
MathFive or more, raise the score
Five or more raise the score four or less let it rest
Remembers how to round numbers
MathIs over Of equals Percent over 100
Is over Of equals Percent over one hundred
Remembers how to set up a percent proportion
MathRise over Run
Rise over Run
Remembers how to compute slope
MathAcross then Up
Across then Up
Remembers the order to read coordinates (x, y)
MathGallon Man
Gallon Queens Pour Cups
Remembers us capacity units largest to smallest
MathSame signs positive, different signs negative
Same signs positive different signs negative
Remembers the sign when multiplying or dividing integers
MathPop Goes the Weasel (quadratic)
Pop Goes the Weasel
Remembers the quadratic formula tune
GeometrySOH CAH TOA
SOH CAH TOA
Remembers the three trig ratios
MathAll Students Take Calculus
All Students Take Calculus
Remembers which trig functions are positive per quadrant
GeometryC before S, 90 before 180
C before S 90 before 180
Remembers complementary equals 90 and supplementary equals 180
GeometryA cute little angle
A cute little angle
Remembers an acute angle is less than 90 degrees
GeometryPerimeter is the rim
Perimeter is the rim
Remembers perimeter is the distance around the edge
ChemistryOIL RIG
Oxidation Is Loss Reduction Is Gain
Remembers what oxidation and reduction mean in redox reactions
ChemistryLEO says GER
Lose Electrons Oxidation Gain Electrons Reduction
Remembers electron transfer in redox reactions
Showing 24 of 76 mnemonics