What's The Over Under

4/11/2022by admin
What's The Over Under 5,0/5 5211 reviews

As well as the familiar equals sign (=) it is also very useful to show if something is not equal to (≠) greater than (>) or less than (<)

  1. What's The Over Under Mean
  2. What's The Over Under
  3. What's The Over Under
  4. What's The Over Under On The Super Bowl
  5. What's The Over Under On The Super Bowl Game
  6. What's The Over Under On The National Anthem
  7. What's The Over Under Mean

These are the important signs to know:

=

When two values are equal
we use the 'equals' sign

example: 2+2 = 4

When two values are definitely not equal
we use the 'not equal to' sign

example: 2+2 ≠ 9
<

When one value is smaller than another
we use a 'less than' sign

example: 3 < 5
>

When one value is bigger than another
we use a 'greater than' sign

example: 9 > 6

Less Than and Greater Than

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The 'less than' sign and the 'greater than' sign look like a 'V' on its side, don't they?

To remember which way around the '<' and '>' signs go, just remember:

Under definition is - in or into a position below or beneath something. How to use under in a sentence. 'Over Under' refers to the betting line on the total number of a certain statistic — usually points or goals scored — in a sporting event, with action taken on whether there will be more (the over). Definition of OVER-UNDER in the Definitions.net dictionary. Meaning of OVER-UNDER. What does OVER-UNDER mean? Information and translations of OVER-UNDER in the most comprehensive dictionary definitions resource on the web.

  • BIG > small
  • small < BIG
The 'small' end always points to the smaller number, like this:

Greater Than Symbol: BIG > small

Example:

10 > 5

'10 is greater than 5'

Or the other way around:

5 < 10

'5 is less than 10'

Do you see how the symbol 'points at' the smaller value?

... Or Equal To ...

Sometimes we know a value is smaller, but may also be equal to!

Example, a jug can hold up to 4 cups of water.

So how much water is in it?

It could be 4 cups or it could be less than 4 cups: So until we measure it, all we can say is 'less than or equal to' 4 cups.

To show this, we add an extra line at the bottom of the 'less than' or 'greater than' symbol like this:

The 'less than or equal to' sign:

The 'greater than or equal to' sign:

All The Symbols

Here is a summary of all the symbols:

Words
=
1 + 1 = 2
not equal to
>
5 > 2
less than
marbles ≥ 1
less than or equal to

Why Use Them?

Because there are things we do not know exactly ...

... but can still say something about.

So we have ways of saying what we do know (which may be useful!)

Example: John had 10 marbles, but lost some. How many has he now?

Answer: He must have less than 10:

Marbles < 10

If John still has some marbles we can also say he has greater than zero marbles:

Marbles > 0

But if we thought John could have lost all his marbles we would say

Marbles 0

What's The Over Under Mean

In other words, the number of marbles is greater than or equal to zero.

Combining

We can sometimes say two (or more) things on the one line:

Example: Becky starts with $10, buys something and says 'I got change, too'. How much did she spend?

Answer: Something greater than $0 and less than $10 (but NOT $0 or $10):

'What Becky Spends' > $0
'What Becky Spends' < $10

This can be written down in just one line:

$0 < 'What Becky Spends' < $10

That says that $0 is less than 'What Becky Spends' (in other words 'What Becky Spends' is greater than $0) and what Becky Spends is also less than $10.

Notice that '>' was flipped over to '<' when we put it before what Becky spends. Always make sure the small end points to the small value.

Changing Sides

We saw in that previous example that when we change sides we flipped the symbol as well.

This:is the same as this:Just make sure the small end points to the small value!

Here is another example using '≥' and '≤':

Example: Becky has $10 and she is going shopping. How much will she spend (without using credit)?

Answer: Something greater than, or possibly equal to, $0 and less than, or possibly equal to, $10:

Becky Spends ≥ $0
Becky Spends ≤ $10

This can be written down in just one line:

$0 ≤ Becky Spends ≤ $10

A Long Example: Cutting Rope

Here is an interesting example I thought of:

Example: Sam cuts a 10m rope into two. How long is the longer piece? How long is the shorter piece?

Answer: Let us call the longer length of rope 'L', and the shorter length 'S'

L must be greater than 0m (otherwise it isn't a piece of rope), and also less than 10m:

L > 0
L < 10

So:

0 < L < 10

That says that L (the Longer length of rope) is between 0 and 10 (but not 0 or 10)

The same thing can be said about the shorter length 'S':

What's The Over Under

0 < S < 10

But I did say there was a 'shorter' and 'longer' length, so we also know:

S < L

What

(Do you see how neat mathematics is? Instead of saying 'the shorter length is less than the longer length', we can just write 'S < L')

We can combine all of that like this:

0 < S < L < 10

That says a lot:

0 is less that the short length, the short length is less than the long length, the long length is less than 10.

Reading 'backwards' we can also see:

10 is greater than the long length, the long length is greater than the short length, the short length is greater than 0.

What's The Over Under

It also lets us see that 'S' is less than 10 (by 'jumping over' the 'L'), and even that 0<10 (which we know anyway), all in one statement.


NOW, I have one more trick. If Sam tried really hard he might be able to cut the rope EXACTLY in half, so each half is 5m, but we know he didn't because we said there was a 'shorter' and 'longer' length, so we also know:

What

What's The Over Under On The Super Bowl

S<5

and

L>5

What's The Over Under On The Super Bowl Game

We can put that into our very neat statement here:

0 < S < 5 < L < 10

Over

And IF we thought the two lengths MIGHT be exactly 5 we could change that to

0 < S ≤ 5 ≤ L < 10

An Example Using Algebra

What's The Over Under On The National Anthem

OK, this example may be complicated if you don't know Algebra, but I thought you might like to see it anyway:

What's The Over Under Mean

Example: What is x+3, when we know that x is greater than 11?

If x > 11 , then x+3 > 14

(Imagine that 'x' is the number of people at your party. If there are more than 11 people at your party, and 3 more arrive, then there must be more than 14 people at your party now.)

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