Negative numbers and opposite numbers

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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.