Order of operations

Front

What is the order of operations in mathematics?

Back

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

Front

What does PEMDAS stand for?

Back

PEMDAS stands for: P - Parentheses, E - Exponents, MD - Multiplication and Division (from left to right), AS - Addition and Subtraction (from left to right).

Front

Calculate: (1 + 2) ⋅ 2

Back

6

Front

Calculate: 2 + 15 ÷ 3

Back

7

Front

Calculate: 2 + 6 ⋅ 3 - 1

Back

19

Front

Calculate: 16 + 36 ÷ 2

Back

34

Front

Which expression CANNOT be used to show the total amount a group of 20 people will pay if admission costs $7 per person? 7 ⋅ (11 + 9), (7 ⋅ 11) + (7 ⋅ 9), 7 ⋅ 20, 7 ⋅ 11 ⋅ 9

Back

7 ⋅ 11 ⋅ 9

Front

What is the first step in solving an expression using the order of operations?

Back

The first step is to solve any expressions inside parentheses.

Front

What is the role of exponents in the order of operations?

Back

Exponents are calculated after parentheses and before multiplication, division, addition, and subtraction.

Front

When do you perform multiplication and division in the order of operations?

Back

Multiplication and division are performed from left to right after parentheses and exponents.