Identifying Parts of Expressions & 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

How do you write an expression for 'half as many students'?

Back

Front

What does 'product' mean in mathematics?

Back

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

Front

Write the expression for 'the product of 4 and p'.

Back

Front

What does 'difference' mean in mathematics?

Back

The difference is the result of subtracting one number from another.

Front

Write the expression for 'the difference of 100 and a number w'.

Back

Front

How do you express 'a number decreased by 9'?

Back

Front

What does 'three times as many' mean in terms of expressions?

Back

It means to multiply the quantity by 3.

Front

Write the expression for 'three times as many drinks on the tray'.

Back

Front

What is a variable in an expression?

Back

A variable is a symbol (usually a letter) that represents an unknown value.