6.7A - Order of Operations

Front

What is the Order of Operations?

Back

A set of rules that determines the order 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

Which operation do you perform first in the expression 5 + (3 x 2)?

Back

You perform the multiplication inside the parentheses first: 3 x 2 = 6.

Front

What does 3^2 mean?

Back

3 x 3, which equals 9.

Front

In the expression 6 + 2 x 3, which operation do you perform first?

Back

You perform the multiplication first: 2 x 3 = 6.

Front

What is the result of 8 - 3 + 2?

Back

The result is 7, calculated as follows: 8 - 3 = 5, then 5 + 2 = 7.

Front

What is the value of (4 + 5) x 2?

Back

The value is 18, calculated as follows: 4 + 5 = 9, then 9 x 2 = 18.

Front

What is the result of 10 - 2^2?

Back

The result is 6, calculated as follows: 2^2 = 4, then 10 - 4 = 6.

Front

In the expression 12 ÷ 4 + 3, which operation do you perform first?

Back

You perform the division first: 12 ÷ 4 = 3.

Front

What is the value of 7 + 3 x (2 + 1)?

Back

The value is 16, calculated as follows: 2 + 1 = 3, then 3 x 3 = 9, and finally 7 + 9 = 16.