Order of Operations

Front

What does PEMDAS stand for?

Back

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

Front

What is the first step in the order of operations?

Back

The first step is to solve expressions inside parentheses.

Front

In the expression 15 + 7 × 2 – 11 + 35, which operation should be performed first?

Back

Multiplication (7 × 2) should be performed first.

Front

What is the result of the expression (4 - 2) x 9 + 7?

Back

The result is 25.

Front

What is the associative property of addition?

Back

The associative property of addition states that the way in which numbers are grouped does not change their sum. For example, (a + b) + c = a + (b + c).

Front

How do you simplify the expression 20 - (2 ⋅ 6)?

Back

You first calculate the product: 2 ⋅ 6 = 12, then subtract: 20 - 12 = 8.

Front

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

Back

The result is 9.

Front

What is the difference between multiplication and addition in terms of order of operations?

Back

Multiplication is performed before addition in the order of operations.

Front

What is the purpose of using parentheses in mathematical expressions?

Back

Parentheses indicate which operations should be performed first in an expression.

Front

What is the result of the expression 15 + 7 × 2 – 11 + 35?

Back

The result is 53.