Review of how to add and subtract negative and positive numbers

The video tutorial reviews the concepts of adding and subtracting positive and negative numbers using a money analogy. It explains how positive numbers can be seen as money you have, while negative numbers represent money you owe. The tutorial also covers rewriting problems to better understand subtraction and addition, and discusses the concept of double negatives, showing how they cancel each other out. The goal is to help students grasp these mathematical operations through relatable examples.

What analogy is used to explain positive and negative numbers?

• Positive numbers are like money you owe, and negative numbers are like money you have.

• Positive numbers are like money you have, and negative numbers are like money you owe.

• Positive numbers are like expenses, and negative numbers are like income.

• Positive numbers are like debts, and negative numbers are like savings.

If you have $12 and owe $8, what is your net amount?

• $0

• $-4

• $4

• $20

How should you rearrange the expression 8 - 12?

• 12 + 8

• 12 - 8

• 8 - 12

• 8 + 12

What happens when you subtract a negative number?

• It becomes zero.

• It becomes a larger negative number.

• It turns into a positive number.

• It remains a negative number.

In the context of double negatives, what does 'I don't not like it' mean?

• I am indifferent.

• I dislike it.

• I like it.

• I am confused.