Present to M.Veerasakdi This project is part of the Exam Group Members Searching Data No. Create PowerPoint Presentation Sending E- mail No. Presentation in English No. No. No.

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Transcript Present to M.Veerasakdi This project is part of the Exam Group Members Searching Data No. Create PowerPoint Presentation Sending E- mail No. Presentation in English No. No. No.

Present to M.Veerasakdi
This project is part of
the Exam
Group Members
Searching Data
No.
Create PowerPoint Presentation
Sending E- mail
No.
Presentation in English
No.
No.
No.
What are FRACTIONS?
• Fractions are a part of the whole
*
We use fractions all the time.
• Have you ever used a steel tape or a ruler?
Inches are divided into parts
• Have you ever used a measuring cup?
Cups are divided into parts
• A symbol that is used to name equal parts of a
whole.
• A fraction has a NUMERATOR.
– The numerator is the top number and it names the
part that is shaded or unshaded.
• A fraction has a DENOMINATOR
– The denominator is the bottom number and it names
the total number of pieces in the whole.
Here’s a Hint…
2
4
The number in the Top is the
Numerator!
The number that is Bottom
is the Denominator!
Part of a whole
3 is yellow
8
Mario uses fractions to
split up his pizzas
How many parts
will he cut it into
if he is sharing
with his brother
Antonio?
Mario splits the
pizza into two equal
parts.
Each part is a fraction.
We call these parts halves.
It is important that they
are equal.
Parts of fractions
1
4
Numerator • The top number is
the numerator.
Denominator
• The bottom number
is the denominator.
Types of fractions
• Proper fractions : (Numerator) is Smaller than the
(Denominator).
1
2
• Improper fractions : (Numerator) is Greater than
the (Denominator).
•
3
2
Mix Number : Combination of Whole number
1
2
and Fractions
4
Quick Review
• What are Fractions?
_____________________
• The Top number is the _____________.
• The Bottom number is the ____________.
* What are the 3 types of fractions?
____________________________________
Word Problem
• My husband and I ordered a pizza. The pizza
is cut into 8 (equal) slices. If my husband ate
3 slices, then he ate . What fraction of pizza is
left ?
• Answer :