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 'the difference of two numbers' mean?

Back

It refers to the result of subtracting one number from another.

Front

Translate: 'the sum of a number n and five'

Back

n + 5

Front

What does 'the product of a number and a constant' mean?

Back

It refers to the result of multiplying the number by the constant.

Front

Translate: 'twice a number x'

Back

2x

Front

What does 'less than' indicate in an expression?

Back

It indicates subtraction; for example, '10 less than n' means n - 10.

Front

Translate: 'three times a number m'

Back

3m

Front

What is the meaning of 'increased by' in an expression?

Back

It indicates addition; for example, 'a number increased by 4' means the number + 4.

Front

Translate: 'the quotient of a number p and 2'

Back

p ÷ 2

Front

What does 'more than' indicate in an expression?

Back

It indicates addition; for example, '5 more than x' means x + 5.