NEGATIVE NUMBER
Definition Of Negative Number
Negative numbers are real numbers that are less than zero.
The interval (- ∞, 0) represents the set of all negative numbers.
More About Negative Number
On a number line, numbers to the left of zero are all negative numbers.
Examples of Negative Number
The following are few examples of negative numbers. - 4, - 2.5, - 3/4
Video Examples: Negative Numbers Introduction
Solved Example on Negative Number
Ques: Which of the following negative numbers is greater than - 10?
Choices:
A. - 9
B. - 11
C. - 12
D. - 13
Correct Answer: A
Solution:
Step 1: Among the negative numbers listed, - 9 is greater than - 10.
Real-world Connections for Negative Number
Negative numbers are used to represent temperatures below 0 degrees
Quick Summary
- Negative numbers are located to the left of zero on the number line.
- The interval (-∞, 0) represents all negative numbers.
🍎 Teacher Insights
Use real-world examples like temperature and debt to illustrate the concept of negative numbers. Emphasize the number line to visually represent their position relative to zero.🎓 Prerequisites
- Integers
- Number Line
Check Your Knowledge
Q1: Which of the following numbers is greater than -10?
Q2: Which of the following is a negative number?
Frequently Asked Questions
Q: Is zero a negative number?
A: No, zero is neither positive nor negative.
Q: Are negative numbers integers?
A: Yes, some negative numbers are integers (e.g., -1, -2, -3), but not all (e.g. -2.5, -3/4 are also negative numbers)