Order of Operations

Front

What is the Order of Operations?

Back

A set of rules that determines the sequence in which calculations are performed in a mathematical expression.

Front

What does PEMDAS stand for?

Back

Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).

Front

What is the first step in solving the expression: -2 ⋅ (3 + 8 ÷ 4)²?

Back

Division (8 ÷ 4 = 2).

Front

Solve the expression: (2 + 7 - 1) ÷ 2².

Back

2.

Front

What is the second step in solving the expression: (4 - 2) + 9 × 7?

Back

Multiplication (9 × 7 = 63).

Front

Solve the expression: 91 + 27 ÷ (72 ÷ 24).

Back

100.

Front

What is the result of the expression: (7 + 41) ÷ 2 – 15?

Back

9.

Front

What is the role of parentheses in the Order of Operations?

Back

Parentheses indicate which operations should be performed first.

Front

What is an exponent?

Back

An exponent indicates how many times a number (the base) is multiplied by itself.

Front

How do you handle multiplication and division in the Order of Operations?

Back

Perform multiplication and division from left to right as they appear in the expression.