Exploring Numerical Expressions and Operations

What is a numerical expression?

• A combination of symbols and letters

• A combination of numbers and operations

• A combination of letters and operations

• A combination of numbers and letters

What does it mean to evaluate a numerical expression?

• To simplify the expression

• To find the answer

• To rewrite the expression

• To compare the expression

What is the first step in the order of operations?

• Parentheses

• Addition

• Exponents

• Multiplication

What does the 'E' in the mnemonic 'Please Excuse My Dear Aunt Sally' stand for?

• Evaluations

• Expressions

• Exponents

• Equations

In the order of operations, which comes first: multiplication or division?

• It depends on the numbers

• Both have equal priority

• Multiplication

• Division

What is the result of 6 squared?

• 36

• 12

• 18

• 24

When solving 6 squared minus 12 divided by 3 plus 14 minus 9 times 2, what is the first operation to perform?

• 14 minus 9

• 6 squared

• 9 times 2

• 12 divided by 3

After solving the parentheses and exponents, what is the next step in the order of operations?

• Multiplication

• Subtraction

• Addition

• Division

What is the final answer to the expression 6 squared minus 12 divided by 3 plus 14 minus 9 times 2?

• 40

• 36

• 42

• 32

What should you write at the top of your paper when practicing the order of operations?

• The steps

• The mnemonic 'Please Excuse My Dear Aunt Sally'

• The answer

• The expression