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##### Intros
###### Lessons
1. Introduction to Negative Numbers and Opposite Numbers
2. What is a negative number?
3. What is an opposite number?
4. How to find an opposite number algebraically?
##### Examples
###### Lessons
1. Understanding Negative Numbers
For each of the following pair of integers, which integer has a greater value?
1. $-8$ and $-2$
2. $0$ and $-3$
2. Analyzing Opposite Numbers
Fill in the following table:
1.  Scenario Opposite of the Scenario Description Number Description Number Billy lost \$5
2.  Scenario Opposite of the Scenario Description Number Description Number Sylvia's flight was delayed by 2 hours.
3.  Scenario Opposite of the Scenario Description Number Description Number Tim bought 3 cupcakes.
3. Solving Opposite Numbers Graphically and Algebraically
Find the opposite of the given numbers:
i. Graphically (using a number line)
ii. Algebraically
1. $7$
2. $-4$
3. $0$
##### Practice
###### Topic Notes
• Negative numbers: any numbers to the left of zero on a number line.
• Numbers increase in value as we move up/right on a number line.
• Opposite numbers: numbers with the same distance from 0, but on the opposite side of a number line.
• To find an opposite number, we attach a negative sign to the given number.
• Two LIKE signs give a positive sign.
• Two UNLIKE signs give a negative sign.