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Transcript of FRACTIONS
What is a FRACTION?
How to calculate it?
How to Calculate
Now The Opposite
What is a Fraction?
Fractions are a
part of a whole
or more generally,
any number of equal parts
Fractions are not a whole number
Fractions consist of two numbers on top of each other separated by a
or the fancy word
The number on the
is called the numerator.
- A numerator is the
number of parts
you have or you are working with
The number on the
is called the denominator.
- A denominator is the
total number of parts or pieces
An easy way to always remember the difference between numerator and denominator is that
TIPs and TRICKs
Now we have to learn how to calculate fractions.
When calculating a fraction you are looking at a few things:
1. The number of
2. The number of
parts in total including the shaded parts
You then put the
3. The number of
4. The number of
Lets do some exercise and see if you all understand these terms. This will be fun!
So this is how it goes...
When I say
stand up and open your arms wide, making a straight line
When I say
When I say
Who ever is slow or does the wrong move is out!
GET UP !
Lets Try It Out
Why Are Fractions Important?
Now imagine your parents came home with some good goodies but they tell you to
it amongst your siblings!
You want to make sure you are cutting
so that no one is getting a
This is where
are really important!
different but really still
the same thing.
These are called
are the same thing. They just have different
These fractions all have different numbers but they all show half the pizza. That is why they are
A mixed fraction is a
number (2) and a
. So it would look like this ...
Improper fractions are when the
When you see a fraction like that (
) you will want to change it into a
Lets change a
. Its really easy to do this. Just the opposite of what we just did.
So change the 2 1/4 into a
Try this online game of matching the fractions
In Justin's song
he says, "JUST A FRACTION OF YOUR LOVE, FILLS THE AIR"
What do you think Justin means with the word
Three Types of Fractions
- Proper Fraction
- Improper Fraction
- Mixed Fraction
This means that there are 3 pieces out of 5.
How many parts are green?
How many parts are there in total?
What is the fraction?
1. What is the
2. What is the
3. How many of the
are there in the
4. What is remaining from the
So how does the fraction look like now?
1. How many whole numbers are there?
2. What is the denominator?
This means that the whole number has that many pieces.
1. Make a group of 3
2. Grab a piece of paper
3. Draw 3 different fractions but they must be equivalent
On a small piece of paper can you please write one thing you learned today. It could be something you enjoyed doing. Or something that was not fun. Or you could even draw a smiley face if you loved what you learned.
There is 1
3. Count the total pieces of the wholes
5. Make the new fraction
6. The denominator stays the same
4. Add the pieces from the whole to the numerator
= 8 pieces
1. How many whole pizzas are there?
2. What is the fraction of the pizza that is missing some slices?
What is the mixed fraction?