* I - Invert (Division)
* C - Combine (Multiplication)
* U - Uncombine (Subtraction)
* P - Put together (Addition)
Here are some other common memory tricks (mnemonics) used to recall various things:
For remembering lists or sequences:
* ROY G. BIV: The colors of the rainbow: Red, Orange, Yellow, Green, Blue, Indigo, Violet.
* Every Good Boy Deserves Fudge: The notes on the lines of the treble clef in music (EGBDF).
* FACE: The spaces on the treble clef (F A C E).
* Never Eat Soggy Waffles: The directions on a compass (North, East, South, West).
* Please Excuse My Dear Aunt Sally: Order of operations in math (Parentheses, Exponents, Multiplication, Division, Addition, Subtraction).
For remembering facts or concepts:
* "I" before "E" except after "C": This helps remember a common spelling rule.
* King Philip Came Over For Good Soup: The order of biological classification (Kingdom, Phylum, Class, Order, Family, Genus, Species).
* HOMES: The Great Lakes (Huron, Ontario, Michigan, Erie, Superior).
* "My Very Educated Mother Just Served Us Nine Pizzas": The order of the planets in our solar system (Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, Pluto - though Pluto is now classified as a dwarf planet).
How to create your own mnemonics:
1. Identify the information you need to remember.
2. Come up with a sentence or acronym using the first letters of each item in your list.
3. Make it silly, memorable, and something that makes sense to you.
Tips for creating memorable mnemonics:
* Use rhymes, songs, or stories.
* Incorporate visual imagery.
* Relate the information to something you already know.
* Practice using your mnemonic regularly.
Let me know if you have any other topics you'd like to find mnemonics for!