Writing Expressions Practice1

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 represent 'half as many' in an expression?

Back

If 's' represents the number of students in the math class, then half as many students in the English class is represented as s ÷ 2.

Front

What expression represents the number of empty seats on a plane with 100 seats and p passengers?

Back

The expression is 100 - p.

Front

What does 'the product of 8 and 5' mean in mathematical terms?

Back

It means to multiply 8 by 5, represented as 8 x 5.

Front

How do you express '25 decreased by 5' in mathematical terms?

Back

It is expressed as 25 - 5.

Front

What does 'ten times the minutes spent exercising' translate to in an expression?

Back

It translates to 10m, where m represents the minutes spent exercising.

Front

What is the difference between an expression and an equation?

Back

An expression does not have an equality sign, while an equation does.

Front

What is the mathematical operation represented by 'decreased by'?

Back

It represents subtraction.

Front

How do you express 'the sum of a number x and 10'?

Back

It is expressed as x + 10.

Front

What does 'the quotient of 20 and 4' mean?

Back

It means to divide 20 by 4, represented as 20 ÷ 4.