Mathematical Expressions and Equations Flashcard

Front

What is a variable in a mathematical expression?

Back

A variable is a symbol (often a letter) that represents an unknown value in an expression or equation.

Front

What is a constant in a mathematical expression?

Back

A constant is a fixed value that does not change, such as numbers like 4 or 9.

Front

Identify the operation in the expression: 16/v.

Back

The operation is division.

Front

How many variables are in the equation: 2 + x = 12 + 7?

Back

There is 1 variable (x).

Front

How many constants are in the equation: 2 + x = 12 + 7?

Back

There are 3 constants (2, 12, 7).

Front

What is the result of the expression: 4 + n?

Back

The result is the sum of 4 and the variable n.

Front

Identify the constants in the expression: d - 9.

Back

The constant is 9.

Front

What operation is represented by the expression: 9/b?

Back

The operation is division.

Front

What is an expression in mathematics?

Back

An expression is a combination of numbers, variables, and operations without an equality sign.

Front

What is an equation in mathematics?

Back

An equation is a statement that two expressions are equal, indicated by the '=' sign.