Mnemonic devices are used in education to help students learn specific sets of information. Typically, every word in a mnemonic stands for a word or other piece of information that is part of a set. Other mnemonics are simple phrases that help students remember certain frequently confused pieces of information, such as spelling and grammar rules.
An example of a popular mnemonic is "FAST," which helps people recognize a stroke when they see one. In this mnemonic, F stands for "facial numbness or weakness," A stands for "arm numbness and weakness," S stands for "slurred speech" and T stands for "time to call 911."
Mnemonics are also commonly used to help school-aged children memorize essential and frequently used pieces of information. The mnemonic "King Henry died drinking chocolate milk," for example, is used to help students remember the metric system prefixes: kilo, hecto, deca, unit, deci, centi and milli.
Another use of mnemonics in education is to assist learners with tricky or difficult spellings. For example, the phrase "the principal is your pal," helps students distinguish between the words "principal" and "principle." "I before E except after C" is another example of a popular spelling mnemonic that helps students remember an important spelling rule.