Writing Expressions and Equations

Front

What is an expression?

Back

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

Front

What is an equation?

Back

An equation is a mathematical statement that shows two expressions are equal, containing an equal sign.

Front

What does the term 'product' mean in mathematics?

Back

The product is the result of multiplying two or more numbers together.

Front

What does the term 'sum' mean in mathematics?

Back

The sum is the result of adding two or more numbers together.

Front

What does 'increased by' indicate in an expression?

Back

'Increased by' indicates addition, represented by the symbol +.

Front

What does 'decreased by' indicate in an expression?

Back

'Decreased by' indicates subtraction, represented by the symbol -.

Front

What is the mathematical representation of 'the product of five and a number x'?

Back

The mathematical representation is 5x.

Front

What is the mathematical representation of 'the quotient of a number n and 12'?

Back

The mathematical representation is n/12.

Front

What is the difference between an expression and an equation?

Back

Expressions do not have an equal sign, while equations do have an equal sign.

Front

What is the mathematical representation of 'the sum of a number x and 7'?

Back

The mathematical representation is x + 7.