Words for students from kindergarten to grade 8, each grade has 4 lists: art, math, science, and social. They are essential vocabulary for elementary academic classes.

**Grade 2: Word List - Math**

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Grade and Subject |

centimeter

a metric unit of length equal to one hundredth of a meter

congruent possessing congruity; suitable; agreeing; corresponding

equivalent being essentially equal to something

even occurring at fixed intervals; not odd; capable of division by two without a remainder

expanded notation showing place value by multiplying each digit in a number by the appropriate power of 10

Fahrenheit of or relating to a temperature scale proposed by the inventor of the mercury thermometer

feet a unit of length in the U.S. Customary and British Imperial systems equal to 12 inches

fourth one of four equal parts

fraction segment; fragment; a small proportion of

growing relating to or suitable for growth

half one of two divisions; consisting of one of two equivalent parts in value or quantity

hundreds numerical value equal to 100

inch a unit of measurement for advertising space; a unit of length equal to one twelfth of a foot

meter the basic unit of length adopted under

notation technical system of symbols used to represent special things; comment or instruction

odd not easily explained; beyond from the usual or expected; not divisible by two

operation a process or action, such as addition, substitution, transposition, or differentiation, performed in a specified sequence and in accordance with specific rules

pictograph a graphic character used in picture writing

probability a measure of how likely it is that some event will occur; the quality of being probable

repeating the act of doing or performing again

ruler measuring stick with a straight edge that is used for drawing straight lines and measuring lengths

standard criteria; basis for comparison

standard-unit units commonly encountered for a particular quantity

symmetric having similarity in size, shape, and relative position of corresponding parts

third following the second position in an ordering or series; one of three equal parts of a divisible whole

yard rod; stick; branch; long piece of timber; measure of length, equaling three feet