Mathematical Concepts Flashcards

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Even Number

Back

A number that can be divided by 2 without a remainder.

Front

Odd Number

Back

A number that cannot be divided by 2 evenly.

Front

Prime Number

Back

A number that has exactly two factors: 1 and itself (e.g., 2, 3, 5, 7).

Front

Composite Number

Back

A number that has more than two factors (e.g., 4, 6, 8).

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Variable

Back

A letter or symbol that represents an unknown number (e.g., x or y).

Front

Equation

Back

A mathematical statement that shows two expressions are equal using the = sign (e.g., 3 + x = 7).

Front

Expression

Back

A combination of numbers, variables, and operations without an equal sign.