6.7A - 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 operation do you perform first in the expression 3 + 4 x 6 - 4?

Back

Multiplication (4 x 6).

Front

In the expression 8^2 + (7 - 4)^2, what does the exponent indicate?

Back

It indicates that the base (8 or 3) is multiplied by itself.

Front

What is the result of 2 x 9 ÷ 3?

Back

6.

Front

When simplifying the expression 6 + 2 - (6 + 1), which operation is performed first?

Back

Addition inside parentheses (6 + 1).

Front

What does it mean to multiply and divide from left to right?

Back

It means that when you have multiplication and division in the same expression, you perform them in the order they appear from left to right.

Front

What is the value of (3 + 5) x 2?

Back

16.

Front

If you see the expression 5 + 3 x 2, what do you calculate first?

Back

Multiplication (3 x 2).

Front

What is the result of 10 - 2 + 4?

Back

12.