Writing Expressions

Front

What is an expression in mathematics?

Back

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

Front

What does it mean to 'sum' two numbers?

Back

To sum two numbers means to add them together.

Front

What is the quotient of two numbers?

Back

The quotient is the result of dividing one number by another.

Front

What does 'triple' a number mean?

Back

To triple a number means to multiply it by 3.

Front

What is the product of two numbers?

Back

The product is the result of multiplying two numbers together.

Front

How do you represent 'decreased by' in an expression?

Back

'Decreased by' is represented by subtracting a number from another, e.g., x decreased by 5 is written as x - 5.

Front

What does 'variable' mean in mathematics?

Back

A variable is a symbol (like x or y) that represents an unknown value.

Front

How do you write the expression for 'the sum of x and 5'?

Back

The expression is written as x + 5.

Front

What is the expression for 'the product of y and 7'?

Back

The expression is written as y ∙ 7.

Front

How do you express 'the quotient of 16 and n'?

Back

The expression is written as 16 ÷ n.