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.

Tags

CCSS.6.EE.A.2B

Front

What does it mean to evaluate an expression?

Back

To evaluate an expression means to calculate its value by substituting the variables with specific numbers.

Tags

CCSS.6.EE.A.2C

Front

How do you translate a verbal phrase into an algebraic expression?

Back

To translate a verbal phrase into an algebraic expression, identify keywords that correspond to mathematical operations (e.g., 'sum' for addition, 'difference' for subtraction) and use variables for unknown quantities.

Tags

CCSS.6.EE.A.2B

Front

What is the constant in an algebraic expression?

Back

A constant is a fixed value that does not change, represented by a number in an algebraic expression.

Tags

CCSS.6.EE.A.2B

Front

What is a variable in algebra?

Back

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

Tags

CCSS.6.EE.A.2B

Front

What does 'twice a number' mean in algebraic terms?

Back

'Twice a number' means to multiply the number by 2, often represented as 2n, where n is the variable.

Tags

CCSS.6.EE.A.2A

Front

How do you express 'half a number' in algebra?

Back

'Half a number' can be expressed as n/2, where n is the variable representing the number.

Tags

CCSS.6.EE.B.6

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, using an equality sign.

Front

How do you simplify an algebraic expression?

Back

To simplify an algebraic expression, combine like terms and perform any operations to reduce it to its simplest form.

Tags

CCSS.7.EE.A.1

Front

What does 'increased by' indicate in an algebraic expression?

Back

'Increased by' indicates addition. For example, 'a number increased by 5' is represented as n + 5.

Tags

CCSS.6.EE.A.2A