If you're seeing this message, it means we're having trouble loading external resources on our website.

If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.

# Missing numbers on the number line examples

Given a few negative numbers on a number line, let's see if we can determine what negative numbers are elsewhere on the number line. Created by Sal Khan.

## Want to join the conversation?

• how can u tell which side is negative and which side is positive
• Negative is always on your left
Positive is always on your right
• Whats an imaginary number?
• An imaginary number is a complex number that can be written as a real number multiplied by the imaginary unit i, which is defined by its property i^2 = −1. The square of an imaginary number bi is −b^2. For example, 5i is an imaginary number, and its square is −25. Zero is considered to be both real and imaginary
• Which is greater, -1/3 or -2/5?
• you need to look at the fractions as a piece of pie or pizza so if it has 3 as the denominator there will only be 3 slices but their size will be much bigger than a pizza with 8 slices so to anwser your question -2/5 is going to be bigger
• when he did subtract 8 where did he get the 8 from
• you have -2, and to get to -10 you need to subtract eight, simple as that.
• What's negative and What's positive.
• A negative is something that is below zero. A positive is something that is above zero. Hope this helps! -Johnny Unidas
• how many years does it take to learn the khan academy
• Well it the whole khan academy is very big. Well it might take u 20yrs to finish everything in khan academy and if u study like 5 hour each day maybe over 9yrs+
• Help me.