Equations, Translations and Vocabulary

Front

What is an expression in mathematics?

Back

An expression is a combination of numbers, variables, and operators (like +, -, *, /) that represents a value. Example: n - 4.

Front

What is an equation?

Back

An equation is a mathematical statement that asserts the equality of two expressions, typically containing an equals sign. Example: 2x - 4 = 12.

Front

How do you write '35 decreased by a number' as an algebraic expression?

Back

35 - n.

Front

What is the quotient of a number and eight?

Back

8/n.

Front

What is the product of four and a number?

Back

4n.

Front

What is a variable in mathematics?

Back

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

Front

What does it mean to translate a word problem into an algebraic expression?

Back

It means to convert the words of the problem into a mathematical expression using variables and numbers.

Front

What is the difference between an expression and an equation?

Back

An expression does not have an equals sign and represents a value, while an equation states that two expressions are equal.

Front

What does 'the sum of a number and five' mean in algebraic terms?

Back

It means n + 5, where n is the number.

Front

How would you express 'twice a number' in algebra?

Back

2n.