Equivalent Expressions from Situations

Front

What is an equivalent expression?

Back

An equivalent expression is an expression that has the same value as another expression, even though it may look different.

Front

How do you calculate the total cost of multiple items?

Back

To calculate the total cost, multiply the price per item by the quantity purchased and then sum the costs of all items.

Front

What is the formula for the area of a rectangle?

Back

The area of a rectangle is calculated by multiplying its length by its width (Area = length × width).

Front

What does simplifying an expression mean?

Back

Simplifying an expression means to reduce it to its simplest form by combining like terms and performing any operations.

Front

What is the perimeter of a shape?

Back

The perimeter is the total distance around the outside of a shape, calculated by adding the lengths of all its sides.

Front

How do you represent a total number of items bought using variables?

Back

You can represent the total number of items using variables by creating an algebraic expression that includes the quantities of each type of item.

Front

What is a variable in algebra?

Back

A variable is a symbol, often a letter, that represents a number that can change or vary.

Front

What does it mean to round to the nearest cent?

Back

Rounding to the nearest cent means adjusting a monetary amount to the closest value that has two decimal places.

Front

How do you distribute in algebra?

Back

Distributing in algebra involves multiplying a single term by each term inside a set of parentheses.

Front

What is a coefficient in an algebraic expression?

Back

A coefficient is a numerical factor that multiplies a variable in an algebraic expression.