Write and Evaluate Algebraic Expressions

Front

What is an algebraic expression?

Back

An algebraic expression is a mathematical phrase that can include numbers, variables, and operation symbols. It does not have an equality sign.

Front

What are the parts of an algebraic expression called?

Back

The parts of an algebraic expression are called terms.

Front

How do you evaluate an algebraic expression?

Back

To evaluate an algebraic expression, substitute the values of the variables into the expression and perform the operations.

Front

What does the expression f/5 represent in a real-world context?

Back

The expression f/5 represents the number of pieces of Laffy Taffy each of the 5 friends receives if f is the total number of pieces.

Front

How would you write '10 divided by x' as an algebraic expression?

Back

10 divided by x is written as 10/x or 10 ÷ x.

Front

What does '10 less than a number y' mean in algebraic terms?

Back

'10 less than a number y' means y - 10.

Front

What is a variable in algebra?

Back

A variable is a symbol, often a letter, that represents an unknown value in an expression or equation.

Front

What is the difference between an expression and an equation?

Back

An expression is a combination of numbers, variables, and operations without an equality sign, while an equation states that two expressions are equal.

Front

What is the value of the expression 2r + 1 when r = 3?

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The value of the expression 2r + 1 when r = 3 is 7.

Front

What is the purpose of simplifying an algebraic expression?

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The purpose of simplifying an algebraic expression is to make it easier to understand and solve.