Algebra Review

Front

What is algebra?

Back

Algebra is a branch of mathematics that uses symbols and letters to represent numbers and quantities in formulas and equations.

Tags

CCSS.8.F.A.3

Front

What is a variable in algebra?

Back

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

Tags

CCSS.6.EE.A.2B

Front

What does it mean to solve an equation?

Back

To solve an equation means to find the value of the variable that makes the equation true.

Tags

CCSS.7.EE.B.4A

Front

What is an expression in algebra?

Back

An expression is a combination of numbers, variables, and operators (like +, -, *, /) that represents a value.

Tags

CCSS.6.EE.A.2B

Front

What is the difference between an equation and an expression?

Back

An equation states that two expressions are equal, while an expression does not include an equality sign.

Front

What is the order of operations in algebra?

Back

The order of operations is a set of rules that determines the sequence in which calculations are performed: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right). Often remembered as PEMDAS.

Tags

CCSS.6.EE.A.2C

Front

What is a coefficient?

Back

A coefficient is a numerical factor in a term of an algebraic expression. For example, in 3x, 3 is the coefficient.

Tags

CCSS.6.EE.A.2B

Front

What is a constant in algebra?

Back

A constant is a fixed value that does not change. For example, in the expression 2x + 5, the number 5 is a constant.

Tags

CCSS.6.EE.A.2B

Front

What does it mean to simplify an expression?

Back

To simplify an expression means to combine like terms and reduce it to its simplest form.

Tags

CCSS.7.EE.A.1

Front

What are like terms?

Back

Like terms are terms that have the same variable raised to the same power. For example, 2x and 3x are like terms.

Tags

CCSS.6.EE.A.2B