Writing Expressions

Front

What is an expression in mathematics?

Back

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

Front

What does it mean to 'triple' a number?

Back

To 'triple' a number means to multiply it by 3.

Front

How do you represent 'the sum of x and 5' in an expression?

Back

x + 5

Front

What is the expression for 'triple the sum of x and 5'?

Back

3(x + 5)

Front

What does 'decreased by' indicate in an expression?

Back

It indicates subtraction from a number.

Front

How do you express 'u decreased by 17'?

Back

u - 17

Front

What is the expression for 'the sum of 14 and x'?

Back

14 + x

Front

What does 'the quotient of a number and 16' mean?

Back

It means to divide the number by 16.

Front

How do you express 'the quotient of sixteen and a number'?

Back

16 ÷ n

Front

What does 'a number decreased by seventeen' mean?

Back

It means to subtract 17 from that number.