Algebraic Expressions

Front

What is an algebraic expression?

Back

An algebraic expression is a mathematical phrase that can include numbers, variables, and operation symbols. For example, 3x + 5 is an algebraic expression.

Tags

CCSS.6.EE.A.2B

Front

What does it mean to factor an expression?

Back

Factoring an expression means to break it down into simpler components (factors) that, when multiplied together, give the original expression. For example, 4x + 30y can be factored to 2(2x + 15y).

Tags

CCSS.7.EE.A.1

Front

What is the sum of seven and x represented as an algebraic expression?

Back

The sum of seven and x is represented as 7 + x.

Tags

CCSS.6.EE.A.2A

Front

How can the expression 6x - 4 be described in words?

Back

The expression 6x - 4 can be described as 'the product of six and a number x decreased by four.'

Tags

CCSS.7.EE.A.2

CCSS.HSA.SSE.A.2

Front

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

Back

'Decreased by' indicates subtraction. For example, 'twenty decreased by x' is written as 20 - x.

Tags

CCSS.6.EE.A.2A

Front

What is the term for the operation of adding two numbers?

Back

The term for the operation of adding two numbers is 'addition.'

Tags

CCSS.6.EE.A.1

Front

How is the expression 'twenty decreased by x' written in algebraic form?

Back

The expression 'twenty decreased by x' is written as 20 - x.

Tags

CCSS.6.EE.A.2A

Front

What does the term 'total of' signify in mathematics?

Back

The term 'total of' signifies addition. For example, 'the total of 5 and 3' means 5 + 3.

Front

What is a variable in an algebraic expression?

Back

A variable is a symbol, often a letter, that represents an unknown value. For example, in the expression 3x + 2, 'x' is the variable.

Tags

CCSS.6.EE.A.2B

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.