Order of Operations and Two step equations

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 in a mathematical expression. The acronym PEMDAS is often used: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).

Front

What operation should be performed first in the expression 10 - 4 ÷ 1 · 5?

Back

Division should be performed first.

Front

Simplify the expression: 5 - 6² ÷ 4 - 3.

Back

The simplified result is -7.

Front

What is a two-step equation?

Back

A two-step equation is an algebraic equation that requires two operations to solve for the variable.

Front

Solve for x: 3(x + 2) = 15.

Back

x = 3.

Front

Solve for x: 2x + 5 = 13.

Back

x = 4.

Front

Solve for x: 5 = 3x - 4.

Back

x = 3.

Front

What does it mean to simplify an expression?

Back

To simplify an expression means to reduce it to its simplest form by performing operations and combining like terms.

Front

What is the result of 6²?

Back

The result of 6² is 36.

Front

What is the first step in solving the equation 2x + 5 = 13?

Back

The first step is to subtract 5 from both sides of the equation.