Expressions and Equations

Front

What is the distributive property?

Back

The distributive property states that a(b + c) = ab + ac. It allows you to multiply a single term by two or more terms inside a set of parentheses.

Tags

CCSS.6.EE.A.3

Front

Simplify the expression using the distributive property: 2(x + 4)

Back

2x + 8

Tags

CCSS.6.EE.A.3

Front

What is the order of operations?

Back

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

Front

Evaluate: 12 - 2 ⋅ 4

Back

4

Tags

CCSS.7.NS.A.3

Front

What is a variable in an expression?

Back

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

Tags

CCSS.6.EE.A.2B

Front

Identify the variables in the expression: 5x + 1 + 3x² + 7

Back

x and x²

Tags

CCSS.6.EE.A.2B

Front

Evaluate the expression when x = 3: 2x² + 3 - 2x

Back

15

Tags

CCSS.6.EE.A.2C

Front

What does it mean to evaluate an expression?

Back

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

Tags

CCSS.6.EE.A.2C

Front

Simplify the expression using the distributive property: 2x + 3(x - 1)

Back

5x - 3

Tags

CCSS.6.EE.A.3

Front

What is an expression in mathematics?

Back

An expression is a combination of numbers, variables, and operators (such as +, -, ×, ÷) that represents a value.

Tags

CCSS.6.EE.A.2B