Writing Equations

Front

What does the expression 2(x + 5) represent?

Back

Two times the sum of a number and 5.

Front

What operation do the words 'SUM', 'INCREASE', 'MORE THAN' represent?

Back

Addition (represented by +).

Front

What operation do the words 'DIFFERENCE', 'LESS THAN', 'DECREASED' represent?

Back

Subtraction (represented by -).

Front

What does the phrase 'The difference of a number and 12' translate to in an expression?

Back

Front

What does the phrase 'The sum of a number and 7' translate to in an expression?

Back

Front

What is the meaning of the term 'variable' in algebra?

Back

A symbol (usually a letter) that represents an unknown number.

Front

What is an equation?

Back

A mathematical statement that asserts the equality of two expressions.

Front

What does the term 'coefficient' refer to in an algebraic expression?

Back

A numerical factor in a term of an algebraic expression.

Front

What is the difference between an expression and an equation?

Back

An expression does not have an equality sign, while an equation does.

Front

What does the term 'constant' mean in mathematics?

Back

A fixed value that does not change.