Exploring Numerical Expressions in Chapter 6

What does the acronym PEMDAS stand for?

• Parentheses, Exponents, Multiplication, Division, Addition, Subtraction

• Parentheses, Exponents, Multiplication, Division, Addition, Subtraction, Simplification

• Parentheses, Exponents, Multiplication, Division, Addition, Subtraction, Simplification, Evaluation

• Parentheses, Exponents, Multiplication, Division, Addition, Subtraction, Simplification, Evaluation, Grouping

In PEMDAS, which operations are grouped together?

• Multiplication and Division, Addition and Subtraction

• Parentheses and Exponents

• Parentheses and Multiplication, Exponents and Division

• Multiplication and Addition, Division and Subtraction

When solving an expression, which operation should be performed first?

• Exponents

• Parentheses

• Addition

• Multiplication

What is the result of 1 * 16 - 8 / 2 according to PEMDAS?

• 4

• 12

• 8

• 16

What is the correct order of operations for 20 - 15 + 3?

• 20 + 15 - 3

• 20 - 15 + 3

• 20 - (15 + 3)

• 20 - 15 - 3

How do parentheses affect the order of operations?

• They make you solve addition first.

• They make you solve multiplication first.

• They have no effect.

• They change the order in which you solve the expression.

What is the result of (6 + 3) * 3?

• 9

• 21

• 18

• 27

What is the result of 3 * 6 + 3 without parentheses?

• 21

• 27

• 24

• 18

What is the result of 12 / 3 squared?

• 4

• 12

• 8

• 16

What is the final result of 7 - 3 * 2 + 4 squared?

• 12

• 27

• 21

• 17