Writing Expressions

Front

What is an expression?

Back

An expression is a combination of numbers, variables, and operators (such as +, -, ×, ÷) that represents a value.

Front

What does 'the difference of a number and 11' mean?

Back

It means to subtract 11 from that number, represented as 'n - 11'.

Front

How do you express 'twice a number'?

Back

It is expressed as '2n', where 'n' is the number.

Front

What is the meaning of 'the quotient of twenty and a number'?

Back

It means to divide 20 by that number, represented as '20 ÷ n'.

Front

How do you express 'seven fewer than a number x'?

Back

It is expressed as 'x - 7'.

Front

What does 'the sum of a number and 12' mean?

Back

It means to add 12 to that number, represented as 'n + 12'.

Front

How do you express 'three times the difference of x and 4'?

Back

It is expressed as '3(x - 4)'.

Front

What is the expression for 'the product of 5 and a number y'?

Back

It is expressed as '5y'.

Front

How do you express 'the total cost of x tickets at $20 each'?

Back

It is expressed as '20x'.

Front

What does 'the sum of two numbers a and b' mean?

Back

It means to add the two numbers, represented as 'a + b'.