Order of Operations Challenge

This video tutorial covers the order of operations, including the Keep Change Change method for simplifying subtraction problems. It provides guidelines for simplifying expressions and using variables, and demonstrates the application of order of operations through step-by-step examples. The tutorial also includes practice problems focusing on exponents, negative numbers, and absolute value, concluding with a review of key concepts.

What does the Keep Change Change (KCC) method help to simplify?

• Subtraction problems

• Division problems

• Addition problems

• Multiplication problems

Using KCC, what is the result of -7 - 5?

• -2

• -12

• 2

• 12

What should you do if you need a review of integer operations?

• Use a calculator for all operations

• Skip to the end of the video

• Seek out additional review materials

• Continue watching the video

In algebraic expressions, what symbol is no longer used for multiplication?

• Dot (.)

• Parentheses ()

• Asterisk (*)

• Letter x

What is the first step in the order of operations (PEMDAS)?

• Addition

• Multiplication

• Parentheses

• Subtraction

What is the result of -4 squared?

• -16

• 8

• -8

• 16

What is the correct result of 5 + 6 * 3 + (-5)?

• -7

• 13

• 17

• 28

What does the absolute value of a number represent?

• Its distance from zero on a number line

• Its distance from one on a number line

• Its negative value

• Its positive value

What is the absolute value of -5?

• 0

• -5

• 5

• 10

What is the final result of the expression |7 - 12| + |2 * -3 + 1|?

• 15

• 10

• 20

• 5