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 represent the total cost of 'x' items each costing $32.50?

Back

Front

Back

It represents the amount of money received back from the cashier after buying 'x' items at $32.50 each with a $100 bill.

Front

If Ben has 'x' dollars and Cam has 7 fewer dollars, how is Cam's amount expressed?

Back

Front

Back

It represents the number of prizes in each bag when 92 prizes are split evenly into 'b' bags.

Front

How do you express the number of frogs left in a pond if 'f' frogs hopped away from 47?

Back

Front

What is the expression for the total number of chairs if there are 'r' rows with 8 chairs each?

Back

Front

What is the difference between an equation and an expression?

Back

An equation states that two expressions are equal, while an expression does not include an equality sign.

Front

What is a variable in mathematics?

Back

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

Front

How do you write an expression for the total cost of 'x' games at $32.50 each?

Back