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## Early math review

### Course: Early math review>Unit 3

Lesson 3: Comparing 2-digit numbers

# Greater than and less than symbols

Greater than and less than symbols can be used to compare numbers and expressions. The greater than symbol is >. So, 9>7 is read as '9 is greater than 7'. The less than symbol is <. Two other comparison symbols are ≥ (greater than or equal to) and ≤ (less than or equal to). Created by Sal Khan.

## Want to join the conversation?

• thanks but how do we rate decimals least to greatest?
• You always start from the number that is the farthest left and then continue to the right until one number is different.

Example:

Arrange these numbers from least to greatest:
23.476, 19.894, 23.451

So start with the number that is farthest left. In this case that number is in the tens column.
23.476 has 2 tens, 19.894 has 1 ten, and 23.451 has 2 tens.
This means that 19.894 is smaller than the other numbers.

Now you move on to the ones column for the remaining numbers.
23.476 has 3 ones and 23.451 has 3 ones.
Since they both have an equal amount of ones you need to go further.

Now we look at the first decimal place.
23.476 has 4 tenths and 23.451 has 4 tenths.
Since they both have an equal amount of tenths you need to continue.

Now we look at the second decimal place.
23.476 has 7 hundredths and 23.451 has 5 hundredths.
This means that 23.451 is smaller than 23.476.

So the answer from least to greatest is:
19.894, 23.451, 23.476
• what is quantity
• the quantity is the number of things
eg.: there are 5 apples / the quantity of apples is 5
• Well 5 is less than 19 but when you do 19 is greater than 5 its the same thing your just flipping the equation around but instead of the 5 being less the 19 is greater.
• This is basically the same thing. Flipping the equation doesn’t mean it is a different equation. Hope this helps.
• how do u compare =numbers
• You don't really compare = numbers since 5 isn't bigger than 5 or less than 5. Two equal numbers aren't bigger or smaller than themselves, they are equal
Hope this helps!
• For remembering the which sign means greater than and which sign mean less than, couldn't we remember it in way that that can make it more meaningful? When I was learning this before this site even existed, we learned that the greater than and less than sigh is like the smaller eating the larger. That how people like me learned it.
• The alligator always want to eat the bigger number. So the opening should face toward the bigger number.
• so basically the allagator eats the bigger number
• corect
• > = the number on the left is bigger(larger) than the number on the right. The right number is smaller(less).
• What is the answer of
5 greater than 5.
Can u show m the solutions