Translating Expressions Review

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

How do you translate the verbal expression 'twice n increased by seven is eighteen' into an algebraic expression?

Back

The algebraic expression is 2n + 7 = 18.

Front

What does 'half a number x plus 4' translate to in algebraic form?

Back

The algebraic expression is ½x + 4.

Front

If Dale has d pencils, how can we express the number of pencils Erica has if she has three less than twice Dale's pencils?

Back

The expression for Erica's pencils is 2d - 3.

Front

Translate the verbal expression 'two more than three times a number' into an algebraic expression.

Back

The algebraic expression is 3n + 2.

Front

If Jim has j dollars and combined he and Martha have $45, how can we express how much money Martha has?

Back

Martha's money can be expressed as 45 - j.

Front

What is the importance of translating verbal expressions into algebraic expressions?

Back

Translating verbal expressions into algebraic expressions is crucial for solving real-world problems and understanding mathematical relationships.

Front

What is a variable in algebra?

Back

A variable is a symbol, often a letter, that represents an unknown value in mathematical expressions and equations.

Front

What does it mean to 'increase by' in a verbal expression?

Back

'Increase by' means to add a certain amount to a number or variable.

Front

What does 'decrease by' signify in algebraic terms?

Back

'Decrease by' signifies subtracting a certain amount from a number or variable.